EP1460343A1 - Distributor for a liquid filled circuit of a heating installation - Google Patents

Distributor for a liquid filled circuit of a heating installation Download PDF

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Publication number
EP1460343A1
EP1460343A1 EP04005924A EP04005924A EP1460343A1 EP 1460343 A1 EP1460343 A1 EP 1460343A1 EP 04005924 A EP04005924 A EP 04005924A EP 04005924 A EP04005924 A EP 04005924A EP 1460343 A1 EP1460343 A1 EP 1460343A1
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EP
European Patent Office
Prior art keywords
wall
distributor
heating circuit
return
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04005924A
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German (de)
French (fr)
Inventor
Ulrich Schehl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Watts Industries Deutschland GmbH
Original Assignee
Watts Industries Deutschland GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Watts Industries Deutschland GmbH filed Critical Watts Industries Deutschland GmbH
Publication of EP1460343A1 publication Critical patent/EP1460343A1/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
    • F24D3/1066—Distributors for heating liquids

Definitions

  • the invention relates to a distributor device for a circuit operated with a liquid medium of a heat supply system, in particular a hot water heating system, according to the preamble of patent claim 1.
  • Distribution devices of this type are generally used to distribute the medium circulating in a heating system between the heat generator and the individual consumers to the individual circuits.
  • wall-hung boilers are increasingly being used, which are mostly operated with gas and are therefore space-saving and usually also more energy-efficient than standing boilers.
  • Such wall boilers are often operated with two main heating circuits, namely an unmixed heating circuit which is operated with medium of boiler temperature via the circulation pump integrated in the wall boiler and a mixed heating circuit which is operated in a manner known per se via a mixer and its own circulation pump.
  • the unmixed heating circuit is usually used to supply radiators, which are equipped with thermostatic valves anyway, and the mixed heating circuit is used to supply underfloor heating.
  • the invention has for its object to provide the most economical possible, in particular also suitable for wall mounting, for the formation of a generic distribution device.
  • the advantage of the invention is seen essentially in the distributor pipe, which is divided into two sections, as a result of which the flow to both the unmixed and to the mixed circuit is operated in a uniform manner and, at the same time, the return is combined in a corresponding manner.
  • the arrangement of the supply and return lines along the distribution pipe, i.e. on one level, enables a very clear and maintenance-friendly arrangement of the individual units and makes the system particularly suitable for wall mounting, especially below a wall boiler.
  • the central element of the distributor device according to the invention which is shown in the drawing as a wall boiler connection group 1, is a distributor pipe 2, which in the exemplary embodiment shown is arranged in a horizontal position below a heat generator, in particular a wall boiler 3.
  • the distributor pipe 2 is divided by a partition 4 into two chambers, namely a - in the illustration on the left - flow chamber 5, which is fed through a flow connection 6 in the direction of arrow 7 and a - right - return chamber 8, from which the Heating circuit returning medium over a return connection 9 in the direction of arrow 10 is returned to the wall boiler 3.
  • the partition 4 can in the simplest case consist of a rubber stopper which is inserted from one end of the distributor pipe 2 or, as indicated in Fig. 1, from a plug made of metal or plastic with an annular groove into which an O-ring for sealing is inserted.
  • the distribution pipe 2 is closed at both ends by end caps 11; However, if required, it can be used to connect another circuit or to attach fittings such as a drain valve, safety valve, expansion vessel, temperature sensor or the like.
  • two flow lines 12 and 13 branch off from the flow chamber 5.
  • the - outside - flow line 12 which may include a valve 14 that controls the media flow independently of the mixed heating circuit, serves an unmixed heating circuit, while the flow line 13 comprises a mixer 15 and a circulation pump 16 and thus serves a mixed heating circuit.
  • the pump integrated in the wall boiler is also used as a feed pump for the unmixed heating circuit.
  • the return lines are arranged accordingly.
  • the return line 17 of the unmixed heating circuit is on the outside corresponding to the supply line 12, while the return line 18 of the mixed heating circuit is adjacent to the supply line 13 in the inner region.
  • the mixed heating circuit also includes an overflow or bypass line 19 in a manner known per se.
  • the individual supply and return lines are provided with the appropriate units and fittings and, as shown in the drawing, combined to form a ready-to-install connection group.
  • the flow or return line emanating from the wall boiler 3 or opening into it can optionally be on the left or right of the distributor pipe 2 to be ordered. Accordingly, the heating circuit components, such as the mixed or unmixed flow or return, are attached to the distributor pipe 2 accordingly.
  • FIG. 2 shows how the distributor pipe 2a is curved convexly, for example by installing a pipe bend 20 between the straight end parts 5 and 8, with respect to the wall carrying the entire device 1a. This creates the possibility, which is not shown in the drawing for reasons of clarity, to accommodate supply lines to the wall boiler 3 in the space formed by the curvature between the wall and the distributor pipe 2a.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

The distribution unit for a hot water heating system has a wall mounted boiler (3), and at least one unmixed heating circuit and at least one mixed heating circuit. A distribution pipe (2) is divided into two sections by a partition (4), whereby one section is constructed as a feed chamber (5) into which runs the feed pipe of the boiler and from which branch the feed pipes (12,13) for the heating circuits, while the return pipes (17,18) of the heating circuits run into the other section constructed as a return chamber (8) from which branches the return pipe to the boiler.

Description

Die Erfindung betrifft eine Verteilervorrichtung für einen mit einem flüssigen Medium betriebenen Kreislauf einer Wärmeversorgungsanlage, insbesondere einer Warmwasserheizungsanlage, gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a distributor device for a circuit operated with a liquid medium of a heat supply system, in particular a hot water heating system, according to the preamble of patent claim 1.

Verteilervorrichtungen dieser Art dienen in der Regel der Aufteilung des in einer Heizungsanlage zwischen dem Wärmeerzeuger und den einzelnen Verbrauchern zirkulierenden Mediums auf die einzelnen Kreisläufe.Distribution devices of this type are generally used to distribute the medium circulating in a heating system between the heat generator and the individual consumers to the individual circuits.

Neben den bekannten stehenden Heizkesseln werden in zunehmendem Maße wandhängende Kessel eingesetzt, die meist mit Gas betrieben werden und insofern raumsparender und meist auch energiesparender sind als stehende Heizkessel. Derartige Wandkessel werden oft mit zwei hauptsächlichen Heizkreisen betrieben, nämlich einem ungemischten Heizkreis, der über die im Wandkessel integrierte Umwälzpumpe mit Medium von Kesseltemperatur betrieben wird und einen gemischten Heizkreis, der in an sich bekannter Weise über einen Mischer und eine eigene Umwälzpumpe betrieben wird. Der ungemischte Heizkreis dient in der Regel der Versorgung von Radiatoren, die ohnehin mit Thermostatventilen ausgestattet sind, und der gemischte Heizkreis der Versorgung einer Fußbodenheizung.In addition to the known standing boilers, wall-hung boilers are increasingly being used, which are mostly operated with gas and are therefore space-saving and usually also more energy-efficient than standing boilers. Such wall boilers are often operated with two main heating circuits, namely an unmixed heating circuit which is operated with medium of boiler temperature via the circulation pump integrated in the wall boiler and a mixed heating circuit which is operated in a manner known per se via a mixer and its own circulation pump. The unmixed heating circuit is usually used to supply radiators, which are equipped with thermostatic valves anyway, and the mixed heating circuit is used to supply underfloor heating.

Um das aus einem Wandkessel in einer Vorlaufleitung austretende Wärmeträgermedium in den ungemischten und den gemischten Heizkreis aufzuteilen, ist es bekannt, in dieser Vorlaufleitung ein Dreiwegeventil vorzusehen, das einerseits mit der Vorlaufleitung des gemischten und andererseits mit der Vorlaufleitung des ungemischten Heizkreises verbunden ist (DE 101 13 562 A1). Durch die Anordnung eines Dreiwegeventils zur Aufteilung ist diese Anlage unübersichtlich und vor allem unflexibel.In order to divide the heat transfer medium emerging from a wall boiler in a flow line into the unmixed and the mixed heating circuit, it is known to provide a three-way valve in this flow line, which is connected on the one hand to the flow line of the mixed and on the other hand to the flow line of the unmixed heating circuit (DE 101 13 562 A1). The arrangement of a three-way valve for distribution makes this system confusing and, above all, inflexible.

Vor diesem Hintergrund liegt der Erfindung die Aufgabe zugrunde, eine möglichst wirtschaftliche, insbesondere auch zur Wandbefestigung geeignete Möglichkeit für die Ausbildung einer gattungsgemäßen Verteilervorrichtung zu schaffen.Against this background, the invention has for its object to provide the most economical possible, in particular also suitable for wall mounting, for the formation of a generic distribution device.

Der Vorteil der Erfindung wird im wesentlichen in dem in zwei Abschnitte unterteilten Verteilerrohr gesehen, wodurch der Vorlauf sowohl zum ungemischten als auch zum gemischten Kreislauf in gleichmäßiger Weise bedient und zugleich der Rücklauf in entsprechender Weise zusammengefasst wird. Durch die Aufreihung der Vor- bzw. Rücklaufleitungen längs des Verteilerrohrs, also in einer Ebene, wird eine sehr übersichtliche und wartungsfreundliche Ordnung der einzelnen Aggregate ermöglicht und eignet sich die Anlage in besonderer Weise zur Wandbefestigung, insbesondere unterhalb eines Wandkessels.The advantage of the invention is seen essentially in the distributor pipe, which is divided into two sections, as a result of which the flow to both the unmixed and to the mixed circuit is operated in a uniform manner and, at the same time, the return is combined in a corresponding manner. The arrangement of the supply and return lines along the distribution pipe, i.e. on one level, enables a very clear and maintenance-friendly arrangement of the individual units and makes the system particularly suitable for wall mounting, especially below a wall boiler.

Erfindungsgemäß wird diese Aufgabe durch die im Anspruch 1 angegebenen Merkmale gelöst.According to the invention, this object is achieved by the features specified in claim 1.

Vorteilhafte Weiterbildungen ergeben sich aus den Unteransprüchen.Advantageous further developments result from the subclaims.

Die Erfindung wird nachstehend anhand der Zeichnung näher erläutert. Es zeigt

Fig. 1
eine Ansicht einer erfindungsgemäßen Verteilervorrichtung und
Fig. 2
eine Schrägansicht dieser Vorrichtung.
The invention is explained below with reference to the drawing. It shows
Fig. 1
a view of a distribution device according to the invention and
Fig. 2
an oblique view of this device.

Zentrales Element der erfindungsgemäßen Verteilervorrichtung, die in der Zeichnung als Wandkesselanschlussgruppe 1 dargestellt ist, ist ein Verteilerrohr 2, das im dargestellten Ausführungsbeispiel in horizontaler Lage unterhalb eines Wärmeerzeugers, insbesondere eines Wandkessels 3, angeordnet ist. Das Verteilerrohr 2 ist durch eine Trennwand 4 in zwei Kammern unterteilt, und zwar eine - in der Darstellung linke - Vorlaufkammer 5, die durch einen Vorlaufanschluss 6 in Richtung des Pfeils 7 beschickt wird und eine - rechte - Rücklaufkammer 8, aus der das aus dem Heizkreis rücklaufende Medium über einen Rücklaufanschluss 9 in Richtung des Pfeils 10 wieder in den Wandkessel 3 zurückgeführt wird. Die Trennwand 4 kann im einfachsten Fall aus einem Gummistopfen bestehen, der von einem Ende des Verteilerrohres 2 aus eingeschoben wird oder, wie in Fig. 1 angedeutet, aus einem Pfropfen aus Metall oder Kunststoff mit einer Ringnut, in die zur Dichtung ein O-Ring eingelegt ist.The central element of the distributor device according to the invention, which is shown in the drawing as a wall boiler connection group 1, is a distributor pipe 2, which in the exemplary embodiment shown is arranged in a horizontal position below a heat generator, in particular a wall boiler 3. The distributor pipe 2 is divided by a partition 4 into two chambers, namely a - in the illustration on the left - flow chamber 5, which is fed through a flow connection 6 in the direction of arrow 7 and a - right - return chamber 8, from which the Heating circuit returning medium over a return connection 9 in the direction of arrow 10 is returned to the wall boiler 3. The partition 4 can in the simplest case consist of a rubber stopper which is inserted from one end of the distributor pipe 2 or, as indicated in Fig. 1, from a plug made of metal or plastic with an annular groove into which an O-ring for sealing is inserted.

An beiden Enden ist das Verteilerohr 2 durch Endkappen 11 abgeschlossen; es kann aber bei Bedarf für die Anbindung eines weiteren Kreislaufs oder zum Anbringen von Armaturen wie zum Beispiel Entleerungshahn, Sicherheitsventil, Ausdehnungsgefäß, Temperaturfühler oder dergleichen genutzt werden.The distribution pipe 2 is closed at both ends by end caps 11; However, if required, it can be used to connect another circuit or to attach fittings such as a drain valve, safety valve, expansion vessel, temperature sensor or the like.

Aus der Vorlaufkammer 5 zweigen im dargestellten Ausführungsbeispiel zwei Vorlaufleitungen 12 und 13 ab. Die - außen liegende - Vorlaufleitung 12, die ein Ventil 14 umfassen kann, welches den Medienfluss unabhängig vom gemischten Heizkreis regelt, bedient einen ungemischten Heizkreis, während die Vorlaufleitung 13 einen Mischer 15 und eine Umwälzpumpe 16 umfasst und somit einen gemischten Heizkreis bedient. Dabei wird die im Wandkessel integrierte Pumpe zugleich als Förderpumpe für den ungemischten Heizkreis genutzt.In the exemplary embodiment shown, two flow lines 12 and 13 branch off from the flow chamber 5. The - outside - flow line 12, which may include a valve 14 that controls the media flow independently of the mixed heating circuit, serves an unmixed heating circuit, while the flow line 13 comprises a mixer 15 and a circulation pump 16 and thus serves a mixed heating circuit. The pump integrated in the wall boiler is also used as a feed pump for the unmixed heating circuit.

Entsprechend sind die Rücklaufleitungen angeordnet. Die Rücklaufleitung 17 des ungemischten Heizkreises liegt entsprechend der Vorlaufleitung 12 außen, während die Rücklaufleitung 18 des gemischten Heizkreises der Vorlaufleitung 13 benachbart im inneren Bereich liegt. Der gemischte Heizkreis umfasst in an sich bekannter Weise auch eine Überström- bzw. Bypassleitung 19.The return lines are arranged accordingly. The return line 17 of the unmixed heating circuit is on the outside corresponding to the supply line 12, while the return line 18 of the mixed heating circuit is adjacent to the supply line 13 in the inner region. The mixed heating circuit also includes an overflow or bypass line 19 in a manner known per se.

Die einzelnen Vor- und Rücklaufleitungen sind im Hinblick auf die Ausbildung des Verteilerrohrs 2 mit den entsprechenden Aggregaten und Armaturen versehen und, wie in der Zeichnung dargestellt, zu einer einbaufertigen Anschlussgruppe zusammengefasst.With regard to the design of the distributor pipe 2, the individual supply and return lines are provided with the appropriate units and fittings and, as shown in the drawing, combined to form a ready-to-install connection group.

Die vom Wandkessel 3 ausgehende bzw. in diesen mündende Vorlauf- bzw. Rücklaufleitung kann wahlweise links oder rechts an dem Verteilerrohr 2 angeordnet werden. Dementsprechend werden die Heizkreiskomponenten wie zum Beispiel der gemischte bzw. ungemischte Vor- bzw. Rücklauf entsprechend an dem Verteilerrohr 2 angebracht.The flow or return line emanating from the wall boiler 3 or opening into it can optionally be on the left or right of the distributor pipe 2 to be ordered. Accordingly, the heating circuit components, such as the mixed or unmixed flow or return, are attached to the distributor pipe 2 accordingly.

In Fig. 2 ist dargestellt, wie das Verteilerrohr 2a beispielsweise durch Einbau eines Rohrkrümmers 20 zwischen den geraden Endteilen 5 bzw. 8 bezüglich der die ganze Vorrichtung 1 a tragenden Wand konvex gekrümmt ist. Dadurch wird die in der Zeichnung allerdings aus Gründen der Übersichtlichkeit nicht dargestellte Möglichkeit geschaffen, in dem durch die Krümmung zwischen Wand und Verteilerrohr 2a gebildeten Raum etwa Versorgungsleitungen zum Wandkessel 3 unterzubringen.FIG. 2 shows how the distributor pipe 2a is curved convexly, for example by installing a pipe bend 20 between the straight end parts 5 and 8, with respect to the wall carrying the entire device 1a. This creates the possibility, which is not shown in the drawing for reasons of clarity, to accommodate supply lines to the wall boiler 3 in the space formed by the curvature between the wall and the distributor pipe 2a.

Claims (4)

Verteilervorrichtung für einen mit einem flüssigen Medium betriebenen Kreislauf einer Wärmeversorgungsanlage, insbesondere einer Warmwasserheizungsanlage, mit einem Wandkessel als Wärmequelle und mit mindestens einem ungemischten Heizkreis und mindestens einem gemischten Heizkreis,
gekennzeichnet durch ein durch eine Zwischenwand (4) in zwei Abschnitte unterteiltes Verteilerrohr (2, 2a),
wobei der eine Abschnitt als Vorlaufkammer (5) ausgebildet ist, in die das Vorlaufrohr des Wandkessels (3) mündet und aus der die Vorlaufleitungen (12, 13) für die Heizkreise abzweigen,
während die Rücklaufleitungen (17, 18) der Heizkreise in den anderen, als Rücklaufkammer (8) ausgebildeten Abschnitt münden, aus dem das Rücklaufrohr zum Wandkessel (3) abzweigt.Distribution device for a circuit of a heat supply system, in particular a hot water heating system, operated with a liquid medium, with a wall-mounted boiler as a heat source and with at least one unmixed heating circuit and at least one mixed heating circuit,
characterized by a distributor pipe (2, 2a) divided into two sections by an intermediate wall (4),
one section being designed as a flow chamber (5) into which the flow pipe of the wall boiler (3) opens and from which the flow lines (12, 13) branch off for the heating circuits,
while the return lines (17, 18) of the heating circuits open into the other section designed as a return chamber (8), from which the return pipe branches off to the wall boiler (3). Verteilervorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass jeweils ein ungemischter und ein gemischter Heizkreis vorgesehen sind,
wobei die Vor- und Rücklaufleitungen (13, 18) des gemischten Heizkreises mit den erforderlichen Aggregaten wie Mischer (15), Pumpe (16) und dergleichen zwischen den Vor- und Rücklaufleitungen (12, 17) des ungemischten Heizkreises liegen.Distribution device according to claim 1, characterized in that in each case an unmixed and a mixed heating circuit are provided,
wherein the supply and return lines (13, 18) of the mixed heating circuit with the necessary units such as mixer (15), pump (16) and the like lie between the supply and return lines (12, 17) of the unmixed heating circuit. Verteilervorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Verteilerrohr (2a) bezüglich der die Verteilervorrichtung (1a) tragenden Wand konvex gekrümmt ist.Distributor device according to claim 1 or 2, characterized in that the distributor pipe (2a) is convexly curved with respect to the wall carrying the distributor device (1a). Verteilervorrichtung nach Anspruch 3, dadurch gekennzeichnet, dadurch gekennzeichnet, dass die Verteilervorrichtung (1, 1a) unterhalb des Wandkessels (3) so angeordnet ist, dass die Versorgungsleitungen zum Wandkessel parallel zur Verteilervorrichtung in dem durch die Krümmung zwischen Wand und Verteilerrohr (2a) gebildeten Raum angeordnet sind.Distributor device according to claim 3, characterized in that characterized in that the distributor device (1, 1a) is disposed beneath the wall of the vessel (3) so that the supply lines for the wall boilers for the distributor device in which due to the curvature between the wall and distributor tube (2a) formed parallel Space are arranged.
EP04005924A 2003-03-19 2004-03-12 Distributor for a liquid filled circuit of a heating installation Withdrawn EP1460343A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20304350U 2003-03-19
DE20304350U DE20304350U1 (en) 2003-03-19 2003-03-19 Distribution device for a circuit of a heat supply system operated with a liquid medium

Publications (1)

Publication Number Publication Date
EP1460343A1 true EP1460343A1 (en) 2004-09-22

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ID=32798226

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04005924A Withdrawn EP1460343A1 (en) 2003-03-19 2004-03-12 Distributor for a liquid filled circuit of a heating installation

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EP (1) EP1460343A1 (en)
DE (1) DE20304350U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1672286A1 (en) * 2004-12-20 2006-06-21 Watts Industries Deutschland Gesellschaft mit beschränkter Haftung Distributor for a liquid filled circuit of a heating installation
EP2014992A1 (en) * 2007-07-13 2009-01-14 Helmut Burtscher Tempering facility distributor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1180463A (en) * 1967-02-14 1970-02-04 Knowles Plumbers Ltd J Manifold
US4564142A (en) * 1984-06-01 1986-01-14 Cleer Jr Clarence W Hydronic system with circulators connected to a header
BE1012278A3 (en) * 1998-11-18 2000-08-01 S P R L Claessens D & Boiler manifold and boiler fitted with such a manifold
DE10113562A1 (en) 2001-03-20 2002-09-26 Tuxhorn Gmbh & Co Kg Geb Dual-circuit heating system with mixed and unmixed heating circuits has three way valve in header pipe from boiler and connected to header of mixed circuit on one side and header of unmixed circuit on other side

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7209931U (en) * 1972-10-26 Disput Kg Flow and return manifold for installation in a circulation heating system
DE29908656U1 (en) * 1998-05-14 1999-09-09 Joh. Vaillant Gmbh U. Co, 42859 Remscheid Device for fastening a distributor bar for a heating system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1180463A (en) * 1967-02-14 1970-02-04 Knowles Plumbers Ltd J Manifold
US4564142A (en) * 1984-06-01 1986-01-14 Cleer Jr Clarence W Hydronic system with circulators connected to a header
BE1012278A3 (en) * 1998-11-18 2000-08-01 S P R L Claessens D & Boiler manifold and boiler fitted with such a manifold
DE10113562A1 (en) 2001-03-20 2002-09-26 Tuxhorn Gmbh & Co Kg Geb Dual-circuit heating system with mixed and unmixed heating circuits has three way valve in header pipe from boiler and connected to header of mixed circuit on one side and header of unmixed circuit on other side

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1672286A1 (en) * 2004-12-20 2006-06-21 Watts Industries Deutschland Gesellschaft mit beschränkter Haftung Distributor for a liquid filled circuit of a heating installation
EP2014992A1 (en) * 2007-07-13 2009-01-14 Helmut Burtscher Tempering facility distributor

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