"help again 134a help " , posted Mon 6 Oct 11:41

help again thank you for all your help residential refrigerator french doors frezer on the bottom ok in an a/c residential with R22 your gauge needs to read more that 30F to prevent freeze on suction ... read more

gabrielnorbac

"DurkeeSox textile duct " , posted Mon 6 Oct 05:11

DurkeeSox textile duct advatages:1¡¢SURFACE AIR DIFFUSION MODEL, LARGE AIR DIFFUSION VOLUME, NO DRAFT.¡ñ Airflow is evenly distributed through fabric permeation and orifices.¡ñ ... read more

baby9114

"convert from DICO to Honeywell 6300B Wires?? " , posted Sun 5 Oct 15:22

Help please! going from a DICO with O orangeG GreenY yellowR redE (bridged to W2) whiteC, brown and black not connectedHoneywell states W O/B as one connection..no pla ... read more

saa

"charge on freon 134a help " , posted Sun 5 Oct 14:36

I have a question I got everithing ready in my refrigerator charge freon but now the suction line get fozen my presion on charge line is on 10psi is that correct is a compresor 1/4 134a can someone t ... read more

gabrielnorbac

"Furnace restart multiple times before blowing " , posted Sun 5 Oct 13:52

I have a 3 year old American Standard condensing gas furnace. Heres the problem: When there's a call for heat to furnace, the furnace goes through its normal procedures, when it gets to igniti ... read more

rti

"Carrier Blower squrriel fan broke... cost ? " , posted Sun 5 Oct 13:39

I have a Carrier 48gs-024060301. Severe vibration. I see that squrriel blower has a "fin" missing therefore blower out of balance. Can you buy just the squrrielfan or must you buy the motor and/or fan ... read more

joseph5156

"Goodman Fan runs to high " , posted Sun 5 Oct 12:26

I have a Goodman -- Model GMP 050-3 furnace & i feel that the blower fan runs too fast. is there a way to reduce the blower fan speed? Thanks for the ingo! ... read more

Karch

"Help with Air Handler and Aux Heat " , posted Sun 5 Oct 10:25

HiI have an Ducane Heat Pump and ADP air handler with 5KW backup heat module inside this Air Handler,I suspect this backup heat module is not working, my house gets warm when out side temp is ... read more

kulkarniash

"Janitrol furace problems " , posted Sun 5 Oct 08:41

Hi, My furnace wouldn't start when I tried to fire it up for the first time this year. The fan comes on to start the draft for about 15 secs, then the igniter comes on, then nothing ignites and the f ... read more

ronrobbie7

"Trane XE90 system lockdown " , posted Sat 4 Oct 18:04

I have been experiencing a problem with my furnace. Originally when we turned it on it did nothing, the LED indicator was blinking twice (2 blinks) and the codes suggested that the pressure valve was ... read more

candace

"Do I need a return in my basement " , posted Sat 4 Oct 16:51

I'm selling a home I renovated and the buyers had a hvac installer that said I need to add a return in the basement. The basement is partially finished(400 sq feet) and has no door separating it from ... read more

phillyhomeowner

"Lennox G24M Furnace won't fire up " , posted Sat 4 Oct 16:39

I have a Lennox G24M Furnace that has given me problems since the warrenty expired. I have had the Flame Sensor replaced twice in the past four years (the furnace is exactly 10 years old). My ... read more

Cath Dwyer

"Trane Defrost Circuit Board " , posted Sat 4 Oct 16:10

I ran into a problem this week that puzzles me. I was working on a trane weathertron heat pump that would not go into heat mode. All the conditions for operation were satisfied, but the compressor coi ... read more

dawgman315

"Main burners " , posted Sat 4 Oct 12:40:

Armstrong sx90 I was measuring 24vac across termial board with recuprative blower running, there was a backfire from gas nozel box, is the main gas valve coming on too soon, or is there a problum with ... read more

t1551fo

"Olson Duomatic " , posted Sat 4 Oct 06:51

My furnace and Oslon Duomatic is having an intermittent problem. the furnace is a gas operated electronic pilotless ignition model. The unit goes through the purge ignite cycle and the burners ignite ... read more

brucep216

"York Diamond 80 furnace ignitor wont glow " , posted Fri 3 Oct 22:05

I tried to turn on the heater for the first time this season but it didnt heat. I compared the broken one to the basement furnace and noticed the ingnitor in the attic unit wasnt glowing. I just repla ... read more

jmt321

"nitrogen help please " , posted Fri 3 Oct 12:49

I been try to make my refrigerator work I just replace the compressor the old compressor burn out I intall the new one but when start working is running hi side real hot but after few secons compresso ... read more

gabrielnorbac

"Lennox P21 " , posted Fri 3 Oct 09:16

I just moved into a home and thought my furnace was working... was I wrong. The furnace is a Lennox P21. It was purchased in 92... I can tell by the serial number. Problem: The furnace onl ... read more

jamiechipper

"Lennox CH19P3 Flame Sensor Removal Help " , posted Thu 2 Oct 22:35

I have a lennox CH19P3 50,000 BTU furnace manufactured around 1990 that won't stay lit. After browsing the forums, I'm fairly certain that it is the flame sensor that needs to be cleaned, but where is ... read more

mtb1981

"Armstrong ultra 90 " , posted Thu 2 Oct 20:08

Had problum with ignitor,replaced it with new unit, pilot comes on heats up probe, small blower and main blower come on no main burners what can i check next all conneection on circuit board look good ... read more

t1551fo

"Goodman GMT070-3 Heating Issue " , posted Thu 2 Oct 16:34:

Hello,I have a Goodman GMT070-3, natural gas, and it's about 5 years old. When I went to test the heater today there was no ignition.However, I do hear a hum coming from the heater ... read more

homeowner10

"Armstrong ultra 90 " , posted Thu 2 Oct 11:42

pilot ignitor the prob with 2 blue wires appears to be broken is this correct #Q3450c2043 9838 also #42495 001 ... read more

t1551fo

"fuel oil boiler won't stay lit " , posted Thu 2 Oct 00:06

I have an old boiler (Lennox-Honeywell) that runs on fuel oil. I'm trying to get it going for the first time this year but when I push the reset button it won't stay lit. The flame comes on for a coup ... read more

rjostrow

"finding pilot light " , posted Wed 1 Oct 21:32

I can't light my Lear Siegler wall unit furnice. I can hear the gas and smell it but can't find the right place to hold the match to ignight the flame. The model number is MIII85 WB D, Serial number 8 ... read more

Terry Pring

"Lennox Compressor Fan " , posted Wed 1 Oct 11:15

I have a 6 year old Lennox 4 ton air conditioner. The fan stopped running. It has two capacitors. I replaced the start cap because it was leaking fluid when I turned it upside down to look at the numb ... read more

cabkc

"Pilot Not Lit - Burner Limit Circuit Open " , posted Wed 1 Oct 11:02:

Waking up to a cold house is always fun. The blower runs, the fan runs when turned to "ON", but when I looked, the pilot was out. I tried to restart it (auto-igniter) a couple of times with no luck. ... read more

hamprancer

"Do you see Modulines?? " , posted Tue 30 Sep 23:08

I have a building in Sydney that uses Carrier Modulines. The building is full of the American Moduline (37HS series). I am happy with the modulines but am astounded by the cost of parts. A new filter, ... read more

Futsal1st

"Latest EPA Rules " , posted Tue 30 Sep 19:40

I tried to understand the EPA web site, but I need laymens terms. What are the rules where residential apartment systems apply when a substancial leak is present? Also, do freon usage logs still need ... read more

mickabersdad

"Condenser motor replacement " , posted Tue 30 Sep 19:28

I need to replace a bad condenser motor. The original motor was 1/6 HP with 1125 RPM. Can a 1/4 HP with 1075 RPM be used without effecting the system's ability to cool properly? ... read more

mickabersdad

"SV9541 Smart Valve " , posted Tue 30 Sep 17:31

I have 3 year old tempstar furnace, model 8mpn, nat gas. The thing fires up whith tstat locked high, vent fan comes on, pilot lites, burner will not light. It trys this a couple times and then shut ... read more

grynchrock

"Hummm " , posted Mon 29 Sep 09:07

Wish I had found this site last year. Have a York Diamond 90 & can't remember when I had it installed but do know that I've had trouble with it all along. One thing that really bothers me is the fil ... read more

franci

"blower motor slow to start turning " , posted Mon 29 Sep 08:42

I replaced the blower motor on my Lennox central heat and air about 3 years ago. It ran fine for a year and then about 1 time out of 10 would buzz for a few seconds before starting to turn. I checke ... read more

klt

"Carrier Furnace Blower Problem " , posted Mon 29 Sep 00:05

I have a 1978 Carrier 58GS125-2 gas furnace with a 1995ish Trane A coil and condenser for my 1200 sf house.The air conditioning unit has been purring along all summer with no problems. The fur ... read more

ruckter

"Pilot Light Question " , posted Sun 28 Sep 16:28

When re-lighting the pilot light on the 1994-ish Intertherm propane furnace, the flame is large and orange instead of small and blue. How can I fix this on my own, or do I need someone to come in to ... read more

DWalker

"metalic smell " , posted Sun 28 Sep 12:31

We have a strong metalic smell almost like wet pipes. I can't figure out where the moisture is coming from ... read more

black vert ss

"metalic smell " , posted Sun 28 Sep 12:30

... read more

black vert ss

"Air-Handler Leak " , posted Sat 27 Sep 21:19

At the resort that I work at we have a air-handler that is located between the unit floors(fitted in the ceiling space).It just recently started leaking.This unit has the blower located in front of th ... read more

hvac novice

"Recovery tanks " , posted Sat 27 Sep 12:49

Is it possible to overfill a recovery tank, or once the pressure becomes to great will it kick off your recovery machine ... read more

scuba steve

"Training resources " , posted Sat 27 Sep 11:50

New to Mobile, Al and looking for local HVAC hands-on instruction. Can anyone help? ... read more

dtmobile55

"Ground source heat pump info for Iowa " , posted Sat 27 Sep 11:08

Hi. New here. I hold a universal license and want to researched Ground source heat pumps. I'm interested in one for my home in a few years.Is there a online resource I can study. My first i ... read more

rebar