Re: circulating pump
Posted by hj on August 13, 19100 at 23:40:36:
In response to Re: circulating pump
If you are just going to circulate the boiler water through the water heater, don't do it. The boiler is not designed to handle the water heater pressure or constant additions of fresh water so it will rust out very quickly. In addition the boiler water is not considered "potable" so it should never enter the domestic system.

iam installing a new boiler & hotwater heater(electric). i had a suggestion of installing a small circulating pump on the line between the boiler, and the heater(with shut off valves). as the lines run overheat between them which size pump do i need and in which line should it be installed?

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