Jan 27, 2005 · Comfortmaker EnviroPlus 90 furnace won't turn on. I have the exact same problem as mas6132. A repairman came in and pulled the exhaust fan end of the hose that runs from the …

Oct 11, 2009 · Hello, I am a mechanic who is normally surfing the internet on car forums. Anyway, I have a Comfortmaker RJ II that has been having some problems. When I first turn on the heat it will work …

Dec 6, 2009 · I am scratching my head over a condensate drain/trap issue with our ICP 90+ efficiency furnace. I recently replaced the drain line from the furnace vent to the trap because the original …

Nov 28, 2006 · I have a 10 year old Comfortmaker Enviro90+ furnace. Problem is this, the exhaust motor comes on when starting furnace, then it calls for heat and the gas kicks on and ignites. As …

Feb 20, 2009 · I think my furnance is going out again. I am seeing 3 flashes on my Comfortmaker RPJ furnance. The sticker says that this means Pressure Switch Contacts Open. I turned off power to the …

Dec 6, 2015 · I have a ComfortMaker RPJ II gas furnace with a light blinking 6 times when it tries to startup. I'm trying to figure out what likely needs to be replaced. It was installed in 1993. The furnace …

Sep 7, 2010 · I have an 8 year old Comfortmaker sealed combustion furnace. The A/C works fine, however, the furnace won't fire. It does not start the firing sequence while in heating mode. I've …

Dec 3, 2011 · I also have a Comfortmaker GUH series from the early 90's. It has intermittently locked out leaving the blower running this season. At first it was very intermittent. Now more so. I have a single …

Nov 21, 2018 · Hello everyone, Long time forum reader/first time poster. I've seen to come across a problem with my Comfortmaker G9MXE gas furnace. It's a natural gas setup, direct vent, and is …

Nov 12, 2007 · I have an 18 year old (1989 SnyderGeneral Model #GUH125A016IN) Comfortmaker furnace that has developed a problem. The blower will stay on at the end of the cycle and continue to …