Tempstar Furnace

I need some diagnostic help. We have a full propane tank. A new burner plate (last year) and the blower works. We light the pilot but the knob should pop up after one minute thus lighting the furnace. It won't pop up. What part should we replace? The furnace is a 17 year old Intertherm MGH...

I have an 80+ tempstar with the smartvalve gas valve. During the call for heat, the inducer motor starts, but the ignitor will not come on and light. I checked the ignitor and it is good. I checked for voltage and it is good. Could the gas valve be bad, since the ignitor is controlled by the valve...

The power went off in my area and the furnace has not worked since. I looked at the circutbreakers none were tripped. I turned the one switch I see on the furnace and still nothing. It will be some time before I can get service since there is a driving ban in my city right now can anyone give...

I too installed a RTH230B programmable thermostat this winter and all has been going well on the heat side. We tried to turn on the AC today, I get the symbol of the snowflake, but not the fan. Here is my current wiring on the Thermostat: G=Green Y=Yellow W=White Rc=Red Rh=Blue The...

Hi Labman, I had a bad relay (LY2 24 VAC), so I marked the wires on piece of paper to take it off and install the new one. The problem that I lost the paper somehow and I don't have a clue how to install the new one. I know that the i/p is 120 VAC and the o/P 24 VAC. How ever I have 6-wires...