Weathertron to Hunter–no heat

______________________________________________________________________ My husband and I have been trying to replace our thermostat all day. We have tried many wiring combinations and just don’t know what to do. We have our Trane wiring diagram. We had a baystat240 Weathertron. We bought Continue reading

blower will not always shut off

______________________________________________________________________ the blower on our furnace keeps blowing cold air after the furnace shuts off. The furnace will still kick on as this is happening and we will then have heat. Sometimes the blower does shut off and the furnace Continue reading

Mold on Vents

______________________________________________________________________ Just recently, I noticed mold on the vents throughout the house -I have a two year Trane heat pump and see no signs of moisture around the air handler. Any suggestions on what might be causing the mold? Thanks, Continue reading

Trane XL1100 Pilot light / pressure switch?

08:59 ______________________________________________________________________ I can’t get my heat to fire up when I command it via the t-stat. It quit working in April when we had a strong wind storm, I tried to relight the pilot light, and failed. Since it Continue reading

Honeywell Aquastat L8148a

______________________________________________________________________ We purchased a home built in 1932, the home has been gutted by ourselves. The thermostat was just wires hanging out of the wall. There are only two wires but no labels. Looked at the furnace and found the Continue reading


______________________________________________________________________ I CANT SEEM TO FIGURE OUT WHAT WIRE GOES TO THE RTH230B. THE UNIT IM REPLACIG IS T8195B WHICH HAS 5 WIRES. THE TB195B IS LABLED AS R-RED, C-GREY, G-GREEN, Y-YELLOW AND W-WHITE. THE RTH230B IS RH-HEATING POWER SUPPLY, Continue reading

Robertshaw 9851i Thermostat D terminal

______________________________________________________________________ Hello Houston (hoping your out there), Long time since I’ve I’ve chatted with you (guess that’s a good thing)! To jar your memory, you helped me with hooking up a freeze control and fan relay to operate the Dehumidification Continue reading

Help with finding old Bryant parts

______________________________________________________________________ Hello: we have an old Bryant furnace that we’ve been told has a burnt out transformer and circuit board. We’re having trouble finding parts for our model number – can anyone suggest a crossreference? Our current Bryant model # Continue reading

Pilot wont stay lite

______________________________________________________________________ I have a dual pack outdoor unit Armstrong The pilot will light for about 2 seconds and then go back out. I have changed the inginiter which comes from the gas valve. I have changed the gas valve with Continue reading