On demand hot water AND space heating

Our current hot water is acting up (a blue Amtrol unit with a dedicated boiler) and I am considering trying an on-demand system. Our current system also heats the garage via a `box’ thru which hot water is circulated from the dedicated boiler. A powerful (noisy) fan then pushes heat into the garage. I have this boiler running very hot—up to 240 degrees F ! The hot water from the Amtrol water is also hot— […]

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