do I need a new gas valve???

______________________________________________________________________ I need help, I have a carrier furnace model 48SB-0360603-A with a white rogers gas valve 36E36-268 and a white rogers controller 50D49-401. Upon turning the furnance on for the first time the pilot lit but the jets would Continue reading

Honeywell RTH7400D Thermostat

______________________________________________________________________ I am trying to replace an old thermostat with the RTH7400D. The old one was a PerfectTemp DSL-450 (from Research Products Corp.) It seems that this company may now be Aprilaire. It has these terminal/wire combinations: W1 Grey and Continue reading

Need help putting 2 wires back on my Carrier

15:39 ______________________________________________________________________ I wanted to figure out for myself why Carrier 58RAV Gas Furnance would not kick on. I read some tips I googled from the internet , went up in the attic. I pulled off the red and blue Continue reading

Burner goes on and off on and off

______________________________________________________________________ My burner on my Duomatic Olson keeps going on for about 30 seconds then retires …any suggestions on the problem ???? Please help i can see my breath… joelio [this message was edited by joelio on Tue 8 Nov Continue reading

lennox 2 stage g60

______________________________________________________________________ I just had a lennox G60 furnace appears that it only runs in stage Two.Is it wired correctly? The W1 is jumped to the W2 wire connection on the furnace, but the W1 is not jumped to the Continue reading

Blower motor humming

______________________________________________________________________ My blower motor is humming and not spinning but when off I can spin the cage freely…. any suggestions would be appericated….. Replies: henrytitus “Re(1):Blower motor humming” , posted Thu 8 Sep 05:05 ______________________________________________________________________ $680 seems quite out of Continue reading

Replacing System Control

______________________________________________________________________ I am replacing a Carrier Heat Pump System Control (Q674L 1454 HH93AZ1978910) with an updated system control. The problem is matching the labels of the old system with the new. Currently I have connections at O, W2, C, Y, Continue reading

arrow on a furnace filter

______________________________________________________________________ I’ve change a filter today but I’m not sure whether I put it correctly. It says that the arrow on the frame should be towards the blower motor. The previous filter was set up with the arrow towards outside Continue reading

Bryant High Efficiency – Bad control board

______________________________________________________________________ Just had to replace the control board on my 7 yr old Bryant High Efficiency Model # 350MAV045100HVAC. The HVAC technician showed me the electronic board had some burned areas around the circuits. Just charged 864.00 w/ labor to Continue reading

Heat Pump Starter Kit?

______________________________________________________________________ Had a Payne PH10 Heat Pump installed (outside unit). Is it common for systems with these to require a starter kit? Greg Taylor Replies: MasterTech “Re(1):Heat Pump Starter Kit?” , posted Mon 10 Oct 14:22 ______________________________________________________________________ A few reason Continue reading