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creger.robert Posts: 117

September 30 in Domestic Hot Water

IMG_3881.jpeg

where should cold water feed be tied into boiler and recirc line-

this is existing system how water backing up into cold feed

IMG_3881.jpeg 894.5K

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Comments

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  EBEBRATT-Ed Posts: 21,169

  September 30

  Maybe put a check valve on the cold.

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  Larry Weingarten Posts: 4,204

  September 30

  Hi, I'd follow Ed's advice and add an expansion tank in the cold, downstream of the check. 😉

  Yours, Larry

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