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EXPANSION

Paul S_3
Paul S_3 Member Posts: 1,257
Can anyone tell me how to size a expansion tank to a typical hot water system?....when should i use a #15,30,60,90 etc.....i am having a problem with a mono-flo system, with a #30 extrol...and at least once a month i will be called to the home and the relief valve has blown.....boiler is piped properly(pumping away)....reducing valve is set to 12 psi....extrol tank pressure is at 12psi. I am going to try to put a #60 extrol, to see if that solves it.......
ASM Mechanical Company
Located in Staten Island NY
Servicing all 5 boroughs of NYC.
347-692-4777
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ASMHVACNYC.COM
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