Friday, September 23, 2011

Need Expert Help--How do I Install a new thermostat for a oil-burning furnace that does NOT use forced air?

We moved into an older home that has an oil-burning furnace that distributes heat through a radiator system rather than forced air. The existing thermostat worked but was difficult to read and set timers for so we tried to install a new thermostat; now we can't get EITHER thermostat to work. We got a honeywell, which may have been a big mistake b/c they offer NO help on weekends AND their website is down as well. Also, we put fully charged rechargeable batteries in the new thermostat but the low battery symbol kept flashing, but since we can't get the old one to work now either, I don't know if that's the real problem. I am so flustered with this and we can't get help until Monday unless we pay emergency fees. Any real help would be greatly appreciated, thanks.Need Expert Help--How do I Install a new thermostat for a oil-burning furnace that does NOT use forced air?First of all get rid of the rechargable batteries, they are only 1.2V instead of the 1.5 you get from regular batteries. The low battery light will go out.



Next on most oil burning fireplaces you only have 2 wires going to your thermostat. Make sure everything is working by connecting the 2 wires together. The boiler must fire and run in this condition. If the boiler does not turn on then you have something else causing it not to work and you will have to call someone in.



Since you should have only 2 wires connect one to the terminal marked Rh and the other to the terminal marked W. Check your manual to confirm. this should allow the system to operate.

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