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Posted by Phil on January 11, 2006 at 20:03:09:
My floor zones are warm. The Superstor tank is not receiving hot circulating fluid, though, hence no hot water.
Repair person not familiar with system but is blaming one of the circulating pumps-despite the fact that the radiant floor system in all four zones is working well.
I am wondering if the problem might be either the water tank thermostat, the electric valve regulating flow through the tank, or, the 110AC to 24DC transformer.
Any thoughts? Thanks much.