JPS5815771Y2 - 循環水凍結予防警報装置 - Google Patents

循環水凍結予防警報装置

Info

Publication number
JPS5815771Y2
JPS5815771Y2 JP1977135709U JP13570977U JPS5815771Y2 JP S5815771 Y2 JPS5815771 Y2 JP S5815771Y2 JP 1977135709 U JP1977135709 U JP 1977135709U JP 13570977 U JP13570977 U JP 13570977U JP S5815771 Y2 JPS5815771 Y2 JP S5815771Y2
Authority
JP
Japan
Prior art keywords
alarm
stage
stage alarm
circulating water
circuit
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.)
Expired
Application number
JP1977135709U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5460943U (enrdf_load_stackoverflow
Inventor
村田宗二
和田滋憲
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.)
Osaka Gas Co Ltd
Original Assignee
Osaka Gas Co Ltd
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 Osaka Gas Co Ltd filed Critical Osaka Gas Co Ltd
Priority to JP1977135709U priority Critical patent/JPS5815771Y2/ja
Publication of JPS5460943U publication Critical patent/JPS5460943U/ja
Application granted granted Critical
Publication of JPS5815771Y2 publication Critical patent/JPS5815771Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Steam Or Hot-Water Central Heating Systems (AREA)
JP1977135709U 1977-10-06 1977-10-06 循環水凍結予防警報装置 Expired JPS5815771Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1977135709U JPS5815771Y2 (ja) 1977-10-06 1977-10-06 循環水凍結予防警報装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977135709U JPS5815771Y2 (ja) 1977-10-06 1977-10-06 循環水凍結予防警報装置

Publications (2)

Publication Number Publication Date
JPS5460943U JPS5460943U (enrdf_load_stackoverflow) 1979-04-27
JPS5815771Y2 true JPS5815771Y2 (ja) 1983-03-30

Family

ID=29106255

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1977135709U Expired JPS5815771Y2 (ja) 1977-10-06 1977-10-06 循環水凍結予防警報装置

Country Status (1)

Country Link
JP (1) JPS5815771Y2 (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS536108Y2 (enrdf_load_stackoverflow) * 1971-09-07 1978-02-16

Also Published As

Publication number Publication date
JPS5460943U (enrdf_load_stackoverflow) 1979-04-27

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