Questions & Answers for: Thermostats jumpers

Question about Thermostats Heating & Cooling

2 thermostats in house.I bought a new RTH111, the other is old Mercury with jumper between posts-Y to I or 1. The new RTH111 has jumper from R to RC. Do I remove R to RC and add a jumper OR what??

2 thermostats in house.I bought a new RTH111, the other is old Mercury with jumper between posts-Y to I or 1. The new RTH111 has jumper from R to RC. Do I remove R to RC and add a jumper OR what?? ...

Question about Thermostats Heating & Cooling

1 Answer

Main Flame will not turn on.

Main Flame will not turn on. I have a Gas fireplace with a Sit V/v that has been running fine for many years, however, this year not so good. The pilot light is one I disconnect the Thermostat and ...