Quote:
Originally Posted by scottorious
what better to feed a tankless water heater than a solar heating system.
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Sounds like a good idea...
Just make sure that your demand water-heater is designed to work with some kind of pre-heated water.
Many of the demand water heaters do not sense the temperature of the water, but rather sense the pressure, and adjust the flame accordingly.
Others (the kind you want) actually sense the temp of the water coming out and adjust accordingly.
-AC_Hacker