"ZONE VALVE? THERMOSTAT? " , posted Mon 29 Sep 15:21

I have a baseboard Hotwater oil heat system. Recently noticed that the upstairs thermostat..which is a Heat only stat doesnt kick on the Boiler when turned up. My downstairs one works fine..Boiler goe ... read more

pbuzz3323

"Byrant plus 90i " , posted Mon 29 Sep 14:20

Hi Guys, My mom bought a house with a Byrant Plus 90i model 355Mavfull model # is 355MAV060120FIKA withbyrant coil# CK5PAO60024AB Anybody have the service manual the could email me, much ... read more

fluepipe3

"blower motor slow to start turning " , posted Mon 29 Sep 13:39

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 checked ... read more

klt

"Trane XL 80 Won't fire " , posted Sun 28 Sep 23:22

I have a Trane XL80 that wont fire. When it calls for heat the inducer motor starts - igniter lights up then a relay on the board clicks and then igniter shuts off. No flame at all. It tries this a fe ... read more

JKL

"what else could it be? " , posted Sun 28 Sep 21:55

very un-experianced with AC work,and i wish i had the knowlege you guys have. AC stopped workin one night. inside blower was on compressor was off. the breaker was tripped, flipped it back on and it r ... read more

the-goat

"Honeywell RTH8500D confusion " , posted Sun 28 Sep 21:34

I had an old White rodgers model 1F56W-361 which i have replaced with the Honeywell RTH8500D. Y - yW - WRc+RH - R+Rc(Heating and Cooling)But the unit only works with batteries on. ... read more

rampageido

"air conditioner compressor shutting off " , posted Sun 28 Sep 21:04

I replaced a Unico highvelocity system with a 3 ton pump outside. It was installed in May. The system runs pretty much from 10 am to 10pm nonstop due to original design problems. However, over the ... read more

medicrx@hotmail

"From a mercury bubble to a new tstat HELP " , posted Sun 28 Sep 12:43

We are changing out an old murcery bubble thermostat to a Hunter 44260. The old one only has a black and a white wire to it. On the old therm ostat there was a "P" by the back connect.The Hunter has G ... read more

mrugly

"YURI " , posted Sat 27 Sep 20:49

Are you a member of NACHI? ... read more

smythers1968

"Home Studio Ventilation " , posted Sat 27 Sep 19:23

I have a 8x8 home studio I built in the garage with all the soundproofing and toys. Its sealed very well however it gets very stuffy in the room. There is a 4 in duct for air flow that I used from the ... read more

162jpall

"need advice about ductless mini split heat " , posted Sat 27 Sep 17:37

I am thinking about purchasing a ductless mini-split system as a primary heating system in my 1000 sq. ft. coop apartment. It will be replacing an old and inefficient forced air system. I've received ... read more

bmeyers

"Furnace intermittantly lighting " , posted Sat 27 Sep 14:55

Hello all,I have an Armstrong Ultra Sx80 which recently has not been consistently lighting. It lights the pilot light for awhile then that shuts off and the blower fan kicks in for awhile blow ... read more

Ministermedic

"Control Board for 398AAZ Plus 90 Condensing " , posted Sat 27 Sep 01:46

I have been happy with the past performance of the Bryant 398AAZ. The system seemed to have starting issues last Spring. At some point in the early Spring, the furnace stopped working altogether. I ... read more

Plus90

"AC/Gas furnace is shuting off. HELP!! " , posted Fri 26 Sep 21:16

Hi everyone. This is my first house so I hope someone can help. I have Rheem gas furnace in the attic(Criterion/model:AS36A264T) and a Rheem AC unit outside(Model RAKA030jaz) all controled by a digita ... read more

home101

"help in finding filter lovation Heil 5000 fur " , posted Fri 26 Sep 20:12

hoping someone out there can help me. future mother in law needs to replace her filter on a heil 5000 furnace. i checked and can't find the location. opened cover and found motor etc... this is a heil ... read more

infoseeker

"Need help with age " , posted Fri 26 Sep 19:50

GrandaireSerial # GS3991251776Model # GS35A-030KA ... read more

smythers1968

"Low Pressure Sensor " , posted Fri 26 Sep 18:21

I noticed that the out side unit of my Heat pump failed to turn on after switching over to heat yesterday, although the inside blower was on the the thermostat was calling for heat. I was able to star ... read more

unni

"no ac/heat heatpump - blower will not come on " , posted Fri 26 Sep 10:50

Hello,My system is a 4 year old Lennox unit. I just had to have the outside unit replaced a couple of months ago. I am getting nothing when I turn the fan on or turn the thermostat to cool o ... read more

noroads2002

"ceiling furnace " , posted Thu 25 Sep 20:34

anybody can tell me where i can get the Suburban Manufacturing ceiling furance parts? the model is HF-50E ... read more

doubledouble

"Low Heat Output Electric Day & Night Furnace " , posted Thu 25 Sep 19:27

Blower runs fine/ air output at ducts normal but heat is low. Power at both breakers at service and at furnace OK in and out. Thermostat fairly new and wired correctly. ... read more

dopakrev

"Low Heat Output Electric Day & Night Furnace " , posted Thu 25 Sep 18:55

Breakers at service panel and at furnace OK, in and out power OK. Blower and air output are fine/normal, heat output is low. Connections tight, no burnt wires anywhere. Capable of repair, what shou ... read more

dopakrev

"Weird Wires question " , posted Thu 25 Sep 14:48

Ok The yoyos that installed my air handler have the W1(white) and X2(black) wires that come up from the thermostat in the same wirenut up at the air handler. How is this going to effect the proper op ... read more

TexasVet

"Burst Coil in Air Handler " , posted Thu 25 Sep 13:04:

Looking for some direction here..I have a dualpurpose hot water heater that also heats our home. When I attempted to turn on the heat in the home, I noticed a leak and it turns out one of the ... read more

gruven

"Trane XE78 No Fan/Blower Or Ignition/Gas " , posted Thu 25 Sep 10:37

I have a Trane XE78 in my home. For some reason whenever I turn the thermostat to Heat and it clicks on, the heater never comes on. No fan, no gas, no ignition. Nothing. All I hear at the unit is a we ... read more

lurker

"Baystat 239 to Trane TCONT802AS32DAA " , posted Wed 24 Sep 20:17

Help! My old thermostat(still works) is a Trane Baystat 239 and I have a Trane TCONT802AS32DAA. The old one is hooked up like this X2=black, O=orange, G=green, Y=yellow, T=brown, R=Red, W=white and B ... read more

TexasVet

"no heat, blower only, carrier 58RAV055-GC " , posted Wed 24 Sep 19:58

I have a Carrier Furnace model # 58RAV055-GC down flow. After turning up the thermostat, only the blower runs. I did the self test c/t the circuit board and not sure if the humidifier is working or no ... read more

gordonathey

"Hallmark forced air oil furnace - no start " , posted Wed 24 Sep 19:24

My father in law's furnace quit working after a lightning surge that also fried several other appliances in his house. I am attempting to get it fixed for him. I'm a handy guy, I've done a bunch of ... read more

rgchurch

"Three flashes comfotmaker " , posted Wed 24 Sep 16:00

I've a comfortmaker furnace that flashes three times, I wet to the manual and means the pressure switch is open and need to be closed. What I have to do to close it....thanks ... read more

caifas62

"house not being cooled " , posted Wed 24 Sep 14:55

In the middle of the day we have a average outdoor temprature of 95 degrees. The condensor unit and air handler is working, My refrigerant pressures on the suction and liquid sides are good, and I ha ... read more

jjoubre3

"Honeywell RTH230B and 2 wire Armstrong 700 " , posted Wed 24 Sep 13:36

Hiya,I just recently removed my old 2 wire mercury thermostat and replaced it with a Honeywell RTH230B 5-2 programmable thermostat. I'm not really sure if it is connected correctly and would l ... read more

ZoneMaster60

"ignite ny furance, LENNOX G12Q3 " , posted Wed 24 Sep 02:27

I tried to light up my LENNOX G12Q3 furance. I turned the knob to pilot and press the purple button next to it. It did not make the pilot light up. Can you tell this happen? THANKS!Welyaun ... read more

welyaun

"Furnace/Air Filter Cover " , posted Tue 23 Sep 18:08

I have a Heil furnace/air unit that does not have a cover for the air filter. The previous owner was using 16x25x1 filter which stuck out the extra 5". I'm using 16x20x1 which fits perfect but there i ... read more

bcme136

"replace white rodgers 1F72-360 " , posted Tue 23 Sep 17:43

Im trying to replace my white rodgers 1f72-360 with a digital honeywell programmable thermostat. i unscrewed the old one from the wall to see its wiring. I found just one split wire coming from the wa ... read more

sahamom

"Geothermal " , posted Tue 23 Sep 13:38:

I have a geothermal system that is using a 75gal hot water tank as a storage tank. I have a Grundfos UP 26-99F pump that circulates the water from the well back to the storage tank. I purchased a Aqua ... read more

gfmonk

"indirect hot water tank " , posted Tue 23 Sep 12:24

Can any one recommend a good efficient indirect hot water heater. Are they all basically the same? Someone mentioned the Superstor tanks are the best, another person said to get one that is stone line ... read more

tac618

"rheem sizes " , posted Tue 23 Sep 11:45

i have a rheem m/n r6ra10ezajs i am looking for a evap coil for the furnace the house is about 2500.-3000. sq ft and the furnace is about 6 years old and i dont know the size and tonage needed thanks ... read more

waynect25

"GOODMAN FURNANCE INSTALLATION " , posted Tue 23 Sep 09:04

Is there a benefit to adding 2inch corner plastic feet to furnace prior to installation, in a basement application? The basement has never had a trace of water on floor,flooding not an issue, will add ... read more

TIMPAT777

"Size Matters " , posted Tue 23 Sep 00:38

Hey Everyone, a question about the size of my unit (Not certain that sounded right but, oh well) A bit of background. I'm replacing our Trane, a split system 2 ton heat pump. It worked like a ... read more

HotinFl

"York Dual-Pack " , posted Mon 22 Sep 23:21

I have a York Dual-Pack 3-Ton, 12-Seer Unit (Model DBRH-F036N-060B) which was purchased/installed in August 1996.I have 2 questions:1. Would it still be covered by warranty?2. Wher ... read more

guelguez

"Help with Blower Fan " , posted Mon 22 Sep 17:27

I am having issues with the Blower Fan in my Goodman Packaged Unit. The fan will not kick on after the unit starts its cooling cycle. Unit will then freeze up. I will shut down allow it to unthaw and ... read more

dagreen