CN212962234U - Soft water integrated gas water heater - Google Patents

Abstract

The utility model belongs to the technical field of water heaters, and discloses a soft water integrated gas water heater, which comprises a gas water heater body, a circulating pump, a return pipe, a filtering module and a soft water module; the circulating pump is arranged on the internal circulating water path of the gas water heater body; the soft water module is arranged in the shell of the gas water heater body and is electrically connected with the controller of the gas water heater body; raw water passes through in proper order inlet tube, filter module, the soft water module of gas heater body follow the internal circulation water route between circulating pump and the wet return is joined in to the soft water play water end of soft water module. The utility model discloses an integrated gas heater of soft water has solved present user and has installed water heater, water softener and filter totality alone and purchase quick-witted price height, and the installation stringing is troublesome to and be not suitable for the problem of small-size house type family.

Description

Soft water integrated gas water heater

Technical Field

The utility model belongs to the technical field of the water heater, concretely relates to soft water integrated gas heater.

Background

The hardness of water is different according to different regions. Hard water is much more annoying to the user, for example: the problems of dry skin, dry and split hair, incrustation scale, low washing force, stiff clothes fiber, blocked pipeline, residual marks after tableware washing and the like after bath are solved. Although laundry softeners are available on the market. Decontamination products, etc., but does not address the problems associated with hard water at source.

The existing gas water heater with a circulating pump and a water return pipe has a zero-cold-water function, so the existing gas water heater is called as a zero-cold-water gas water heater in the industry and specifically comprises a gas water heater body 1, a circulating pump 4 and a water return pipe 5; the gas water heater body 1 is provided with an internal circulating water path and a hot water outlet pipe 13 communicated with the water return pipe 5, one end of the internal circulating water path is communicated with the hot water outlet pipe 13, and the other end of the internal circulating water path is communicated with the water return pipe 5; the circulation pump 4 is installed on the internal circulation water path or on the return pipe 5. A user starts a preheating mode of the gas water heater body 1, and at the moment, the circulating pump 4 is started to circulate water stored in the water return pipe 5, the internal circulating water path and the hot water outlet pipe 13; meanwhile, the burner of the gas water heater body 1 is ignited to heat the heat exchanger so as to heat the stored water in the internal circulating water path passing through the heat exchanger. After heating to the temperature preset by the program or the temperature set by the user, the gas water heater body 1 exits the preheating mode, at the moment, the user starts the shower mode of the gas water heater body 1, and meanwhile, the user opens the hot water faucet, and hot water can directly flow out, so that the gas water heater can realize zero cold water.

However, the existing zero-cold-water gas water heater can only realize zero cold water and cannot meet the soft water requirement of a user, so that an additional water softener is required to be arranged on the occasion that the user needs to soften water. The softening tank of the water softener is filled with soft water resin, which can replace calcium and magnesium ions in water, thereby reducing the hardness of tap water. In addition, the water inlet of the current zero-cold water gas water heater usually uses a simple filter screen to filter impurities in tap water (raw water), but the filter effect is poor and is easy to block, so a user usually installs a filter additionally to filter the impurities in the tap water (as shown in fig. 1 and fig. 2), which causes the high total purchase price of the user and the troublesome pipe arrangement during installation, and is not suitable for small-sized families.

SUMMERY OF THE UTILITY MODEL

In view of this, purchase quick-witted price high in order to solve present independent installation water heater, water softener and filter totality, it is troublesome to install the stringing to and be not suitable for the problem of small-size house type family, the utility model provides a soft water integrated gas heater.

The utility model discloses a following method solves above-mentioned problem: a soft water integrated gas water heater comprises a gas water heater body, a circulating pump, a water return pipe, a filtering module and a soft water module;

the soft water module is arranged in the shell of the gas water heater body and is electrically connected with the controller of the gas water heater body;

the circulating pump is arranged on the internal circulating water path of the gas water heater body;

raw water passes through inlet tube, filter module, the soft water module of gas heater body in proper order to follow the soft water outlet end of soft water module converges the internal circulation water route between circulating pump and the wet return.

For the further limitation of the utility model, a soft water function selection key for selecting the function of the soft water module, a regeneration function key for controlling the regeneration of the softened resin of the soft water module, a preheating function key, an outlet water temperature adjusting key and a display screen for displaying the water temperature and the functional state of the soft water module are arranged on the operation display of the gas water heater body; the operation display is electrically connected with the controller of the gas water heater body.

To further limit the utility model, the soft water module comprises a soft water control valve, a softening tank, a brine tank, a blow-off pipe and a plug board;

the soft water control valve is electrically connected with the controller; an inserting plate for dividing the softening tank into a left cavity and a right cavity is arranged in the softening tank, and a gap for communicating the left cavity and the right cavity is formed between the inserting plate and the bottom of the softening tank; the soft water pipe is provided with a filtered water inlet, a soft water outlet, a brine water inlet and a wastewater outlet;

the water inlet of the filter is communicated with the water outlet end of the filter module through a raw water pipe, the brine inlet is communicated with the brine tank through a brine pipe, and the wastewater outlet is communicated with the drain outlet of the gas water heater body through the drain pipe.

To the utility model discloses a further inject, filter module detachable installs on the casing.

To the utility model discloses a further inject, the filtration module includes the filter core, the filtration material of filter core is 60-100 mesh filter screens, have the water purification granule in the filter screen.

To the further limitation of the utility model, the water purification particles are KDF, activated carbon or scale inhibitor.

Right the utility model discloses a further inject, be provided with the return water check valve on the wet return, the direction of switching on of return water check valve with the return water direction of gas heater body when preheating the mode is unanimous.

It is right to the utility model discloses a further inject, the rivers sensing element of gas heater body is located circulating pump low reaches are used for detecting the actual discharge in internal circulation water route, rivers sensing element with controller electric connection.

It is right to the utility model discloses a further inject, the controller has water measurement function, can be based on the rivers signal of rivers sensing element feedback confirms to flow through the former water yield of soft water module.

It is right to the utility model discloses a further inject, the return water temperature detecting element of gas heater body be located the circulating pump with circulating water between the rivers sensing element is on the road, return water temperature detecting element with controller electric connection.

Compared with the prior art, adopt above-mentioned scheme the beneficial effects of the utility model are that:

the utility model discloses a water route separation of gas heater body and soft water module ensures that the high temperature water after preheating can not flow into soft water module, and damages soft water module inner structure and pipeline.

Because the soft water module is also electrically connected with the controller of the gas water heater body, the soft water module of the utility model is also integrated with the control module of the gas water heater body, thereby reducing the cost; and meanwhile, the functional integration is realized, namely, the user can control the soft water module by operating the gas water heater body.

Still because soft water module is integrated to be installed in the casing of gas heater body, the raw water passes through the inlet tube of gas heater body, filter module, soft water module in proper order to the internal circulation water route between circulating pump and the wet return is joined in to the soft water outlet end from soft water module, so the utility model discloses with gas heater body, filter module and soft water module integration together, effectual present installation water heater alone of having solved, water softener and filter generally purchase quick-witted price high, the installation stringing is troublesome to and be not suitable for the problem of small-size family type family.

Drawings

FIG. 1 is a water circuit diagram of a water softener, a filter and a zero-cold water gas water heater in a circulating preheating state of the prior art, wherein arrows in the diagram represent water flow directions, and solid arrows in the diagram represent water flow directions; the hollow arrow represents the conducting direction of the backwater one-way valve;

FIG. 2 is a diagram of the water circuit of a prior art water softener, filter and zero cold water gas water heater in shower mode, wherein the arrows in the figure represent the direction of water flow, and wherein the solid arrows in the figure represent the direction of water flow; the hollow arrow represents the conducting direction of the backwater one-way valve;

fig. 3 is a schematic structural diagram of a soft water integrated gas water heater provided by an embodiment of the present invention in a circulation preheating mode, wherein solid arrows in the diagram represent water flow directions; the hollow arrow represents the conducting direction of the backwater one-way valve;

fig. 4 is a schematic structural diagram of a soft water integrated gas water heater provided by an embodiment of the present invention in a shower mode, wherein a solid arrow in the diagram represents a water flow direction; the hollow arrow represents the conducting direction of the backwater one-way valve;

in the figure: a gas water heater body; 2. a filtration module; 3. a soft water module; 4. a circulation pump; 5. a water return pipe; 11. a housing; 12. a water flow sensing element; 13. a hot water outlet pipe; 14. an operation display; 15. a controller; 16. a return water temperature detecting element; 17. a water inlet pipe; 19. a sewage draining outlet; 31. a soft water control valve; 32. a softening tank; 33. a brine tank; 34. a blow-off pipe; 35. inserting plates; 36. a water filter pipe; 37. a brine pipe; 51. a backwater one-way valve.

Detailed Description

In order to make the above objects, features, advantages, etc. of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The embodiment provides a soft water integrated gas water heater, as shown in fig. 3 and 4, comprising a gas water heater body 1, a circulating pump 4, a water return pipe 5, a filter module 2 and a soft water module 3;

the soft water module 3 is arranged in the machine shell 11 of the gas water heater body 1 and is electrically connected with the controller 15 of the gas water heater body 1;

the circulating pump 4 is arranged on the internal circulating water path of the gas water heater body 1;

raw water sequentially passes through the water inlet pipe 17, the filtering module 2 and the soft water module 3 of the gas water heater body 1 and is converged into an internal circulating water path between the circulating pump 4 and the water return pipe 5 from the soft water outlet end of the soft water module 3.

The user starts the preheating function of gas heater body 1, and controller 15 control circulating pump 4 starts to make the circulation of depositing water in hot water outlet pipe 13, wet return 5 and the internal circulation water route heated, realize the function of preheating.

The softening process of the filtration of raw water in this example was: raw water (namely tap water) enters the water inlet pipe 17 from the water inlet of the gas water heater body 1, and is filtered by the filtering module 2, so that impurities in the raw water are filtered, and the impurities in the raw water are prevented from entering the soft water module 3 and the internal circulating water channel of the gas water heater body 1, and further blocking the soft water module 3, a shower head of a user and the like;

the filtered water generated after being filtered by the filtering module 2 enters the soft water module 3 to be softened to obtain soft water; the soft water flows out from the soft water outlet end of the soft water module 3, converges into the internal circulation water path between the circulating pump 4 and the water return pipe 5, and finally flows through the heat exchanger of the gas water heater body 1 along the circulation water path to be heated, so that preheating is realized or the soft water is directly supplied to users for use.

The water route separation of the gas water heater body 1 and the soft water module 3 of this embodiment ensures that the high temperature water after preheating can not flow into the soft water module, and damages soft water module inner structure and pipeline.

Because the soft water module 3 is also electrically connected with the controller 15 of the gas water heater body 1, the soft water module 3 of the embodiment is also integrated with the control module of the gas water heater body 1, so that the cost is reduced; and meanwhile, the functional integration is realized, namely, the user can control the soft water module 3 by operating the gas water heater body 1.

Because install soft water module 3 is integrated in the casing 11 of gas heater body 1 in this embodiment, and the raw water passes through inlet tube 17 of gas heater body 1 in proper order, filter module 2, soft water module 3, the internal circulation water route between circulating pump 4 and wet return 5 is assembled into from the soft water outlet end of soft water module 3, so this embodiment is with gas heater body 1, filter module 2 and soft water module 3 are integrated together, the effectual present water heater of installing alone of having solved, the water softener and the filter is general to purchase the machine price high, it is troublesome to install the stringing, and be not suitable for the problem of small-size family.

In addition, in the specific embodiment, the soft water outlet end of the soft water module 3 can also be installed on the internal circulating water path between the circulating pump 4 and the water flow detecting element 12 of the gas water heater body 1.

As a further improvement to the embodiment of the present invention, the operation display 14 of the gas water heater body 1 is provided with a soft water function selection key for selecting the function of the soft water module 3, a regeneration function key for controlling the regeneration of the ion exchange resin of the soft water module 3, a preheating function key, an outlet water temperature adjustment key, and a display screen for displaying the water temperature and the functional state of the soft water module 3; the operation display 14 is electrically connected with the controller 15 of the gas water heater body 1.

In this embodiment, the gas water heater body 1 is integrated with the control module and the display module of the soft water module 3, so that the cost can be greatly reduced.

The user realizes the preheating function of the manual control gas water heater body 1 through the preheating function key; the temperature of the water outlet point of the gas water heater body 1 is adjusted through an outlet water temperature adjusting key; the soft water function selection key is used for manually selecting the functions of the soft water module 3, such as the functions of a conventional water softener, such as a backwashing function, a salt washing function and the like; the user can also manually effect the regeneration of the softened resin of the soft water module 3 through the regeneration function key.

The water softening module 3 of the present embodiment may be a conventional water softener on the market, and the present embodiment integrates an existing water softener into the cabinet 11 of the gas water heater body 1, and the functional control thereof is also integrated on the operation display 14 of the gas water heater body 1.

The soft water integrated gas water heater of this embodiment not only realizes structural integration, but also realizes functional integration, that is, the user only needs the operation display 14 of the gas water heater body 1 to realize the control of the gas water heater body 1 and the control of the soft water module 3.

As a further improvement to the embodiment of the present invention, the soft water module 3 includes a soft water control valve 31, a softening tank 32, a brine tank 33, a drain pipe 34 and an insert plate 35;

the soft water control valve 31 is electrically connected with the controller 15 of the gas water heater body 1; an inserting plate 35 for dividing the softening tank 32 into a left cavity and a right cavity is arranged in the softening tank 32, and a gap for communicating the left cavity and the right cavity is formed between the inserting plate 35 and the bottom of the softening tank 32; the soft water pipe 32 is provided with a filtered water inlet, a soft water outlet, a brine inlet and a wastewater outlet;

the water filtering water inlet is communicated with the water outlet end of the filtering module 2 through a water filtering pipe 36, the brine water inlet is communicated with the brine tank 33 through a brine pipe 37, and the wastewater water outlet is communicated with the sewage outlet 19 of the gas water heater body 1 through a sewage discharge pipe 34.

When the soft water function of the soft water module 3 of the present embodiment is used, the controller 15 controls the soft water control valve 31 to communicate the filtered water inlet with the soft water outlet while disconnecting the water path between the brine water inlet and the brine tank 33; the filtered water filtered by the filtering module 2 enters the left chamber of the softening tank 32 from the filtered water inlet through the water filtering pipe 36, flows downwards in the softening tank 32 under the action of gravity, finally flows into the right chamber from a gap formed between the inserting plate 35 and the bottom of the softening tank 32, and gradually rises until flowing out of the softening tank 32 from the soft water outlet and converging into the internal circulating water path between the circulating pump 4 and the water return pipe 5.

Since the softening tank 32 contains the softening resin, the filtered water flowing in the softening tank 32 is softened by the softening resin, and the softening resin may be an ion exchange resin.

In the present embodiment, in order to ensure that the brine in the brine tank 33 can smoothly enter the softening tank 32 from the brine pipe 37, a water pump is further provided on the brine pipe 37 for pumping the brine to the softening tank 32; in addition, in order to promptly replenish the brine in the brine tank 33, the brine tank 33 is further provided with a brine inlet pipe, and when the brine in the brine tank 33 is used up, the user replenishes the brine in the brine tank 33 from the brine inlet pipe.

For timely judgement saline water tank 33 in the volume of salt water, so be equipped with the water level sensor who detects the water level in the salt water tank 33, this water level sensor and controller 15 electric connection still are equipped with the bee calling organ on the casing 11 of gas heater body 1 simultaneously, this bee calling organ and controller 15 electric connection for send out the police dispatch newspaper when not up to standard to the water level in the salt water tank 33.

When the softened resin of the soft water module 3 needs to be regenerated, the controller 15 controls the soft water control valve 31 to disconnect the water path between the filtered water inlet and the soft water outlet, and simultaneously ensures that the brine water inlet is communicated with the brine tank 33; the brine in the brine tank 33 enters the right cavity of the softening tank 32, flows downwards in the softening tank 32 under the action of gravity, finally flows into the left cavity from a gap formed between the inserting plate 35 and the bottom of the softening tank 32, and gradually rises, the brine reacts with the softened resin after entering the softening tank 32 to obtain waste liquid, and the waste liquid flows out of the softening tank 32 from the waste water outlet and flows out of the sewage outlet 19 of the gas water heater body 1 through the sewage discharge pipe 34, so that the regeneration function of the softened resin is realized. The ion exchange resin may be a cation exchange resin.

As a further improvement to the specific embodiment of the present invention, the filter module 2 is detachably mounted on the housing 11, so as to facilitate the inspection and replacement of the filter element.

The power module 2 in this embodiment may be a micro filter available on the market at present, or may be a pre-filter available on the market at present.

As a further improvement to the specific embodiment of the present invention, the filtering module 2 comprises a filter element, the filtering material of the filter element is a 60-100 mesh filter screen, and water purifying particles are provided in the filter screen.

Preferably, the water purification particles are KDF, activated carbon or scale inhibitor, so as to achieve various filtering effects of removing heavy metals, purifying smell and absorbing chlorine, reducing water hardness and the like.

As a further improvement to the specific embodiment of the present invention, the return water check valve 51 is provided on the return water pipe 5, and the turn-on direction of the return water check valve 51 is consistent with the return water direction of the gas water heater body 1 in the preheating mode, so as to avoid the tap water from flowing directly to the hot water tap from the return water pipe 5 when the gas water heater body 1 is in the shower mode.

As right the utility model discloses a specific embodiment's further improvement, gas heater body 1's rivers inductive element 12 is located circulating pump 4 downstream and is used for detecting the actual discharge in internal circulation water route, rivers inductive element 12 and 15 electric connection of controller.

As a further improvement to the embodiment of the present invention, the electrical connection controller 15 has a water metering function, and can determine the amount of raw water flowing through the soft water module 3 according to the water flow signal fed back by the water flow sensing element 12.

When the accumulated amount of raw water flowing through the soft water module 3 is greater than the threshold of the accumulated amount of water set by the program, the controller 15 controls the soft water module 3 to automatically start the resin regeneration function, and reactivate the soft water resin in the softening tank.

As right the utility model discloses a concrete embodiment's further improvement, return water temperature detecting element 16 of gas heater body 1 is located the internal circulating water path between circulating pump 4 and the rivers sensing element 12, return water temperature detecting element 16 and 15 electric connection of controller.

When the gas water heater body 1 is in a preheating state, the return water temperature detection element 16 is used for detecting the return water temperature of the internal circulating water channel of the gas water heater body 1 and feeding back the return water temperature to the controller 15 in real time; when the return water temperature reaches the program return water temperature threshold (for example, 45 ℃), the controller 15 controls the circulating pump 4 to be closed, and the circulating preheating is stopped.

The working process is as follows:

when a user starts the preheating function of the gas water heater body, as shown in fig. 3, the circulating pump 4 is started, the stored water in the internal circulating water path of the gas water heater body 1, the water return pipe 5 and the hot water outlet pipe 13 circularly flows, and when the water flow sensing element 12 detects that the circulating water amount is greater than the program starting flow, the gas water heater body 1 is started to ignite, and the stored water is circularly heated. Under the preheating working mode of the gas water heater body 1, when the temperature of circulating water in the circulating water channel, which is detected by the return water temperature detection element 16, reaches a program preheating temperature threshold value, the controller 15 of the gas water heater body 1 controls the circulating pump 4 to be closed, and the circulating heating is stopped;

as shown in fig. 4, when a user uses the gas water heater of the present embodiment to perform a normal shower, the user opens the hot water faucet, and the raw water enters the filtering module 2 through the water inlet pipe 17 of the gas water heater body 1 to be filtered to obtain filtered water, so as to isolate micro particles in the raw water; filtered water flows into the left chamber of the softening tank 32 through the water filtering pipe 36 and the filtered water inlet, flows downwards in the softening tank 32 under the action of gravity, finally flows into the right chamber from a gap formed between the inserting plate 35 and the bottom of the softening tank 32, gradually rises until flowing out of the softening tank 32 from the soft water outlet, and converges into an internal circulating water path between the circulating pump 4 and the water return pipe 5; when the water flow sensing element 12 monitors that the water flow is larger than the program starting flow, the gas water heater body 1 is started to ignite and outputs bath soft water with comfortable water temperature.

In addition, in this embodiment, the waterfall bath mode of the gas water heater is started, the hot water faucet is opened, and the circulating pump 4 is started, so that the bath water flow can be increased, and the waterfall bath effect is further achieved.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the described parent features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A soft water integrated gas water heater comprises a gas water heater body (1), a circulating pump (4) and a water return pipe (5), and is characterized by also comprising a filtering module (2) and a soft water module (3);

the soft water module (3) is arranged in a machine shell (11) of the gas water heater body (1) and is electrically connected with a controller (15) of the gas water heater body (1);

the circulating pump (4) is arranged on an internal circulating water path of the gas water heater body (1);

raw water passes through inlet tube (17), filter module (2), soft water module (3) of gas heater body (1) in proper order to follow the soft water play water end of soft water module (3) converges into the internal circulation water route between circulating pump (4) and wet return (5).

2. A soft water integrated gas water heater according to claim 1, wherein the operation display (14) of the gas water heater body (1) is provided with a soft water function selection key for selecting a function of the soft water module (3), a regeneration function key for controlling regeneration of a softening resin of the soft water module (3), a preheating function key, an outlet water temperature adjustment key, and a display screen for displaying a water temperature, a functional state of the soft water module (3); the operation display (14) is electrically connected with the controller (15).

3. A soft water integrated gas water heater according to claim 1, wherein the soft water module (3) comprises a soft water control valve (31), a softening tank (32), a brine tank (33), a sewage drain (34) and an insert plate (35);

the soft water control valve (31) is electrically connected with the controller (15); an inserting plate (35) for dividing the softening tank (32) into a left cavity and a right cavity is arranged in the softening tank (32), and a gap for communicating the left cavity and the right cavity is formed between the inserting plate (35) and the bottom of the softening tank (32); the softening tank (32) is provided with a filtered water inlet, a soft water outlet, a brine inlet and a wastewater outlet;

the drainage water inlet pass through strainer (36) with the play water end intercommunication of filter module (2), the salt solution water inlet pass through salt water pipe (37) with salt water tank (33) intercommunication, the waste water delivery port passes through blow off pipe (34) with drain (19) intercommunication of gas heater body (1).

4. A soft water integrated gas water heater according to claim 1, wherein the filter module (2) is detachably mounted on the cabinet (11).

5. The soft water integrated gas water heater according to claim 1, wherein the filter module (2) comprises a filter element, the filter element is made of a 60-100 mesh filter screen, and the filter screen has water purification particles therein.

6. The soft water integrated gas water heater of claim 5, wherein the water purification pellets are KDF, activated carbon or scale inhibitor.

7. A soft water integrated gas water heater according to claim 1, wherein a return water check valve (51) is provided on the return pipe (5), and a direction of conduction of the return water check valve (51) coincides with a direction of return water of the gas water heater body (1) in the preheating mode.

8. A soft water integrated gas water heater according to claim 1, characterized in that a water flow sensing element (12) of the gas water heater body (1) is located downstream of the circulation pump (4) for detecting the actual water flow of the internal circulation water circuit, the water flow sensing element (12) being electrically connected with the controller (15).

9. The soft water integrated gas water heater as claimed in claim 8, wherein the controller (15) has a water metering function capable of determining the amount of raw water passing through the soft water module (3) according to the water flow signal fed back from the water flow sensing element (12).

10. A soft water integrated gas water heater according to claim 8, wherein a return water temperature detection element (16) of the gas water heater body (1) is located on an internal circulating water path between the circulating pump (4) and the water flow sensing element (12), the return water temperature detection element (16) being electrically connected to the controller (15).

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