Hot water circulating pump


Old 05-11-12, 08:35 PM
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Hot water circulating pump

I have seen those hot water cirulating pumps that install between your hot and cold outlet lines at a fixture and was wondering if I could do this on my system.

I have city water with an oil fired boiler. This has an indirect tank. The cold and hot water lines do not have a return to the boiler. Can you really install one of this pumps between one of the fixtures hot and cold outlets that pumps the hot down the cold water outlet? Wouldnt this put too much pressure in the cold line?

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Old 05-11-12, 09:20 PM
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You can install one of these for your indirect.

They work well. I have installed many.

You will use more oil if you leave the circ running constantly and not with the supplied timer.

Instant Hot Water Recirculating System - New Products - Watts

They have this type also. You push a button. I never used or installed one so could not tell you how it works.

The website looks kind of hokey IMO.

Water Heaters and Tankless Water Heaters Work Better With a Chilipepper Hot Water Demand Pump System

Mike NJ

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