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Here's my situation: I manage an older semi-commercial building, one part of which has hot water heating (radiators) as well as regular a/c with a compressor outside and an air handler in the attic. The a/c system runs on the usual 24 volts, but the hot water thermostat is 120v (the thermostat...

I have two 25+ year old Mansfield/Prier frost-free, anti-siphon outdoor sillcocks that are shot. I think both are sweated onto the pipes, but fortunately there's only drywall inside the house that can be cut and patched fairly easily. For the one near my driveway (currently just cold H2O) I'm...

We have a 2H/2C Honeywell FocusPro 5000 thermostat in our home and it works great most of the time at controlling the temperature. However, our kitchen has several large greenhouse windows, and when the sun is at a certain angle, the solar heat makes the kitchen about 10 degrees hotter than the...

I have a Carrier Tech 2000 SS heat pump system that is around 14 years old. It was top-of-the-line when new. The air handler fan was replaced about 5 years ago, the evaporator coil in the air handler was replaced about a year ago when it leaked, and now the condenser tank in the compressor...

My Carrier heat pump is not coming on at all, although the air handler does move air. If I set the thermostat high enough, I get auxilliary (electric) heat, but the outside heat pump itself never activates. Similarly, if I set the system to cool and crank down the temp setting, the air handler...