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Can I replace this old mercury thermostat with a digital one for wood/oil furnace?
I recently moved into a house that was built around 1999, and it has an old Newmac wood/oil combo furnace that seems to be the original heating equipment. It has two separate thermostats in the ...
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Old oil furnace with 2 wire thermostat, installing new wifi and need C wire. How can I wire with my current stack switch?
I'm trying to wire a new wifi thermostat and only have two wires, R and W. The stack switch (transformer - pictured) only has two wire slots as well. What is the easiest way to add a common C wire? ...
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