Home Boiler

SJ · Feb 19, 2013

Should there be a check valve on the fresh water feed to the boiler?Or does the pressure regulator act as a check valve?If one is needed does it go before or after the pressure regulator?

Thanks
Stan

Anonymous-0 · Feb 19, 2013

my interpitation (SP) of public water supply regulations require a reduced pressure backflow preventer on any boiler feed connected to a public water supply. annual testing of this device is required in Nebraska. private water system you are on your own. may be different in other states

Greenday · Feb 19, 2013

At the very least you should have a check valve to keep boiler water from pushing back into the fresh water supply but like said by law in most areas you should have a backflow preventer valve. This will have to be installed and checked by a certified person

Pops1532 · Feb 19, 2013

As others have posted, yes there has to be a check valve.
In many areas a home owner can do their own plumbing. The installation will likely need to be inspected by the appropriate building department.

Roger Tomfohrde · Feb 19, 2013

Leroy has it correct, all my text books indicate a backflow preventer is required,check valves are not to be used according to the text. If your water pressure is above the standard 30 psi of the relief you need a pressure reducer also.
Check your local codes to make sure it is done the way they want.

Home Boiler

SJ

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Anonymous-0

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Greenday

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Pops1532

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Roger Tomfohrde

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