I have a Heil Natural Gas Furnace with smart valve sv9541 that goes off and the valve click as the ignitor glows on and off while lighting the pilot light which then goes out, and back lit?Is this a flame sensor problem? Thanks for advice.

I have an older Carrier natural gas furnace (1970s). Pilot doesn't stay lit. New thermocouple didn't help. Repair man says I need a new gas valve, $700 plus install, suggests replace entire furnace. Can I replace valve with universal valve and save $$?

I have seen gas water heater " install kits" that use the yellow flex appliance line for the gas connection to the gas valve on the water heater. My tank was installed when the house was built and has black iron pipe all the way to the union and into the valve on the tank. I have heard some codes...

After several hours of a self cleaning cycle, the range has been cool for 4 hours, the door is still locked. Any suggestions on how to get the door to unlock? Kenmore 30" self cleaning slide-in range Thanks

I have a carrier 58gs100ga furnace with a white rodgers 36e93 gas valve. The main gas valve solenoid chatters or rattles for a split second before it stays engaged after the pilot is proved. I just replace the spark/lock out board and the fan board for a different problem. This chatter is...