Re: check valve for tankless water heater

Who <[email protected]> Sun, 12 Feb 2023 20:15:03 +0000
Newsgroups alt.building.construction
Organization NewsgroupDirect
Message-ID <[email protected]>
Thank you boss I just bought a recirculating pump and the diagram showed a check valve under the pump. Was trying to make sure if I needed one and why. Thanks now I know.

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