Re: domestic hot water -- radiant floor heating
Posted by e-plumber on March 20, 2004 at 14:39:04:
In response to Re: domestic hot water -- radiant floor heating
: I have an unused domestic hot water heater. I also have a room that I feel could benefit from radiant floor heating. Since my main heat system in the house is steam, I am unable to just add a zone to the boiler. Would it be possible to utilize the unused domestic hot water heater to heat the water .radiant floor heating? I was thinking it would eliminate the need for mixing valves and just really require a thermostat and circulator pump.

There's more to it than only a t-stat and circ. pump, you need a switching relay. You also need to consider back flow prevention where the water feed ties-in to the separate heating zone.
The existing steam system can be used for a hot water heating zone added to it, even it's above the water level in the steam boiler. You might want a plumber knowledgeable in heating to see which way will better suit your needs.
Good Luck. e-plumber

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