"WTB: Lennox Harmony II Discharge Sensor " , posted Fri 30 May 11:40

I am looking for a Lennox Harmony II Discharge Sensor Probe. If you have a new one or even one you took off a system, I am interested. Please let me know. Thanks!PART# 16J9801 ... read more

sandman512

"Trane XE 60 Problems " , posted Thu 29 May 12:24

I'm in the process of buying a forclosed house and the blower on the HVAC unit is seized. When I did a walk through, we opened the panel on the Unit, and tried to turn it on, the only thing it did was ... read more

bc151rules

"Questions about Trane XE1000 " , posted Thu 29 May 08:45

I have a question about the Trane XE1000. I was quoted the price of $1000.00 for the purchase and installation of this unit. Can anyone tell me the pros and cons of this unit and is this price fair o ... read more

propertymanager

"Heat pump water input temperature " , posted Thu 29 May 08:00

I want to extract the btus from large quantity of water say 900 gallons at 30c and raise it a bit into 250 gallons at say 45c using a keram wrb09 water to water heat pump.The refrigerant is either r22 ... read more

welshboy

"Honeywell round to LUX TX500 Thermostat " , posted Wed 28 May 22:02

I have an existing old Honeywell round thermostat in my house controlling the A/C and baseboard heating. I have bought aLUX TX500 programable thermostat. Could someone show me how to map the wir ... read more

philipleung366

"Replacement Compressor Out " , posted Wed 28 May 19:23

I recently replaced a compressor on a heat pump that is still under warranty. It is the second changeout within 12 months. Whoever did the initial changeout did not install a dryer. I'm certain that c ... read more

CertifiedHandy

"any idea how old " , posted Wed 28 May 14:15

I came across they follwing "deal" and was wondering if anyone on here could help me make a decision. Furnace Goodman GMNT 080-4B Compressor CKL36-1K and coil CACF036B2A. says used a couple of ... read more

gourash

"Strange thermostat problem " , posted Wed 28 May 09:22

I have a forced air, single stage gas heating and two stage air conditioning system controlled by an ICM Controls SC3801 thermostat. System runs fine on heat. However, every few months, the clock time ... read more

jgmatera

"Honeywell to Lux tx500b - Please Help! " , posted Tue 27 May 22:54

I've been searching this forum for the better part of the last two hours...I read as many posts as I could but couldn't find a resolution, so if anyone out there can help I would greatly appreciate it ... read more

patrickmhurley

"ACCA Manual N & J speed sheets " , posted Tue 27 May 22:28:

Greetings, ACCA is contributing complementary load speed sheets for excel. Presumably to improve industry reputation by encouraging accurate load calculation for comfort and energy management. ... read more

dcdraftworks

"Transformer question " , posted Tue 27 May 19:45

DIYer . I have 20vac coming out of secondary(24vac) side of transformer on White-Rodgers 50A50 controller. Is this acceptable for running the system? Controls furnace and AC unit. Not getting power t ... read more

billsfish

"Thermostat Wiring Problems " , posted Tue 27 May 19:07

I had a Honeywell Round Series thermostat and have upgraded to a Hunter Model 44360 to reduce my electrical cost in AZ. I had some wiring problems but thought I got past them. Unfortunately when the ... read more

Piotr

"Intertherm electric Furnace problem " , posted Tue 27 May 17:01

I have an Intertherm Electric Furnace model # E2EH-020HB. One half of the lower heating coil is staying on and the fan is running contantly at a lower pseed, which is not normal. The heating coils l ... read more

makertoutle

"Trane XP1000 TTB030C100AZ Seer Rating " , posted Tue 27 May 12:34

I'm looking for the Seer rating for a Trane XP1000 TTB030C100AZ. The Trane website has absolutely no technical info available for any of their older products. Anyone know where I might find this inf ... read more

obhayden

"good luck " , posted Tue 27 May 07:15

i agree with houston. replace it with txv. You will be better off.Newer txvs are much more efficent than pistons ... read more

Its all good

"Help! AC won't work with Lux tx9000ts " , posted Mon 26 May 17:48

I hooked up the Lux tx9000ts back in November and finally got it to work after hours of aggravation. Now, when I tried to switch over to AC, AC isn't working. I've checked the breaker box. I think I ... read more

assilem8

"I need a custom evaporator coil manufacturer " , posted Mon 26 May 15:10

I have a 10ton lennox coil that is very expensive to replace from the lennox manufacturer. Any custom coil makers?? ... read more

thechris333

"220 on a 110 unit, what got fried " , posted Mon 26 May 14:57

We have a Klimaire KSWG009-H113 that is pulling 1 leg off a 208 3 phase panel in order to get 115v. that panel was accidentally hooked up to 480 3 phase so the unit got around 230V put across it. Wh ... read more

noclue2

"Should I install a Heat Pump in Michigan? " , posted Mon 26 May 12:13

I know a heat pump has it's limitations in colder climates but with natural gas prices rising I'm wondering if it a good idea to re-think the possibilities. The local electric company offers interrup ... read more

jjlargo

"XE 1200 Wiring " , posted Sun 25 May 23:15

just replaced old weathertron xe 1200 baystat thermostat with honeywell rth7500 universal programmable thermostat. the "t" wire from the old thermostat has no place to go in new thermostat. is this c ... read more

corazon

"trane baystat 239 to honeywell rth230 HELP!!! " , posted Sun 25 May 16:39

I'm trying to switch from the weathertron baystat 239 to a honeywell rth230. I am having problems with the cooling coming on. It seems that its doing the opposite of what it says, when it says its coo ... read more

futureafacadet

"pressures off in new a/c/high velocity " , posted Sun 25 May 16:12

Hey all, I just put a 3 ton r22 system in a 5 year old high velocity system. The original a/c in the system was a year old and was hit with a snow plow. I reused the existing coil in the air handler ... read more

northernfitter

"Inlet liquid line on coil " , posted Sun 25 May 15:01

The piston housing threads are stripped. How do you repair it as opposed to purchasing a new one. ... read more

Kevo

"Converting from White-Rodgers to Lux Thermost " , posted Sun 25 May 01:10

I am trying to swap a White-Rodgers thermostat with a Lux Thermostat and am having difficulties converting the wiring schemes, does anyone have experience with these and if so PLEASE HELP? ... read more

palmiermed88

"Need info on condenser install. " , posted Sat 24 May 01:20:

I installed a cleaned Trane XE900, model TTD730B100A0, 1989 vintage, outside condensing unit into an existing system, leaving the original evap A-coil in place. From the plate on the old unit,I think ... read more

treefarmer

"no air or heat coming threw vents " , posted Fri 23 May 23:38

i have a tempstar 2 ton heat/ac pump, no heat or air coming threw the vents, but unit is running. ... read more

kyblueeyes

"Gor For It? " , posted Fri 23 May 15:06

14 year old Trane SEER12 system.Not a lick of trouble. Thinking long term to invest in a currenthigh efficiency American Standard Heat Pump System.All electric home with unit outside, no ... read more

allets

"temperature problem " , posted Fri 23 May 15:01

I just replaced my old rheem seer 11 5 ton unit with a new rheem seer 13 5 ton unit for efficiency purposes. But my house doesn't cool like it used to, the system is running much longer to cool, and ... read more

unhappy_rheem

"contactor " , posted Fri 23 May 13:48

contactor will not kick in,,a slight tap with close it,,,it runs good for about 5-7 days, then it does it again,,,have replace the contactor 3 months ago ... read more

gnzls21

"HELP WITH SINGER CONDENSER MODEL " , posted Fri 23 May 12:08

Can someone tell me what ton this unit is, and also if I could use the old A-coil from my Frederich unit with it? I'm no HVACpro, I just don't have the money to replace with new, and my brother in ... read more

jmcoffey

"one zone will not fire boiler " , posted Thu 22 May 14:52

One zone will not fire boiler. Replaced Thermostat..no luck. Other two zones work fine. Jumped two wires from thermo and one box(Honeywell RA832A) will click but not fire boiler. Two others work fin ... read more

fixer1

"HVAC Crossing " , posted Wed 21 May 20:39

I have found a great site for any needing employment in the HVAC business. Check out HVACCrossing.com It is a great site that offers jobs from all Fortune 500 companies and just about every job board ... read more

mountainmom01

"education " , posted Wed 21 May 20:03:

looking for free refrigeration classes, and or school in the Atlanta, ga area. I am already epa certified with universal and wanting to expand into refrigeration. ... read more

kfreeman

"help " , posted Wed 21 May 13:24

I have a high pressure cut out control that i need to replace.It's a screw on type the unit is a Rheem.What i need to know do i have to do a pump down procedue or can i change it without losing my cha ... read more

Oscar52

"new thermostat question " , posted Wed 21 May 10:16

I am changing out my old TRANE BAYSTAT 239 with a HONEYWELL RTH230B. THE OLD WIREINGX2= BROWNO= ORANGEG= GREENY= YELLOWT= BLACKR= REDW= WHITEU= EMPTYF= ... read more

crazz13

"heat pump low suction pressure " , posted Wed 21 May 10:11

"heat pump low suction pressure" , posted Wed 21 May 09:45--------------------------------------------------------------------------------Hi I have an 15 yr old 3 ton heat pump tha ... read more

meajom1

"olsen query " , posted Tue 20 May 21:24

I have a 92 olsen furnace well it would not start so I checked the heat sensor an cleaned it then the silicon carbide igniter an it had abreak in it .besides not touching the silcone carbide eleme ... read more

xxxborisxxx

"Goodman " , posted Tue 20 May 20:09

I have a Goodman heat and air unit. I'm not sure what model or year. It had a control module go bad so I replaced it, an ICM280C. In the process I broke a heat sensor. Now the unit allows the blow ... read more

Applejac59

"TRANE XR12 = FAN " , posted Tue 20 May 17:21:

After my A/C (TRANE XR12) has run its cycle or if I turn it off, the fan keeps running for 5 - 10m afterwards. This just started on a unit that is 4 years old but has not been used much. Thoughts? ... read more

GO22JETS

"Old AC unit trouble. " , posted Tue 20 May 00:53

Im trying to fix an old 1.5 ton a/c unit, its compressor is running and charged, but the liquit line pressure shown me as low as 140 and the suction line pressure shown me too high, this system doesn' ... read more

thecno