"BBS international seeking admin " , posted Mon 10 Jan 03:45

BBS international seeking admin, no limits to country/age/sex. people mastering Chinese or English are more welcomed. Come on!Contact us to admin@worldhvac.com or come to

"heil " , posted Sun 9 Jan 17:05

does anyone have a phone number for a heil Representative? ... read more

tg2

"diagram " , posted Sun 9 Jan 15:40

where can I get a 24 volt diagram for a split system with one element for heat. thanks ... read more

tkatch

"conversion kit needed !!! " , posted Sun 9 Jan 14:53:

I have a Heil NUGE100BG01 BTU's 100,000 I am looking for a conversion kit to go from LP to Natural gas. I need the burner & piolot orfins, and spring kit. I ordered from a company expert appliance i ... read more

Harleybabie

"Wiring a AprilAire 400 humidifie to Trane " , posted Sun 9 Jan 12:47

I'm having a hardtime trying to figure out how to wire an April Aire 400 humidifier to a Trane Furnace without a transformer. The Humidifier requires 24VAC and not sure which wires this relates to on ... read more

ejgalietta

"Gas furnace cleaning details? " , posted Sun 9 Jan 12:34

I have a forced hot air gas furnace. About 14 years old and runs fine. I consider myself technical and handy (most mechanical things, etc.) I replace the filter regularly and vacuum out the inside a ... read more

markbytes

"Lennox furnace blower problems " , posted Sun 9 Jan 11:15

I have a Lennox G20 forced hot air furnace that is 8 years old. About two months ago I noticed cold air blowing out of the vents. About 1 week later the whole furnace stopped working. I called an HV ... read more

joelom

"carrier gas furnace shut down " , posted Sun 9 Jan 10:20

I have a carrier gas furnace. The furnace will run for about 10 min, and then shut down. The thermostat blinks E2 then goes blank. The installer has been here at about 5 times. ... read more

cullen

"thermostat/humidifier wiring help! " , posted Sun 9 Jan 01:29

hey all!working with a rite-temp 8082c thermostat, and an aprilaire 550 humidifier.i contacted riretemp, and they told me to wire the white wire coming out of the humidifer to the H te ... read more

dinglayne

"Need help for intermitent furnace ignition. " , posted Sat 8 Jan 22:24

Hello,I have a Lennox Furnace. (appeox 15 yo)Not sure of the model number. It has what appears to be a glow plug type of ignitor. (Sorry I fix planes so Im not up to speed on the HVAC termin ... read more

jetmech727

"Trane Baystat339 t-stat: Replace w/ what?? " , posted Sat 8 Jan 20:26

I have the original Trane Weathertron thermostat on my small office heat pump. I'd like to replace with a set-back thermostat and....if not too expensive a touch screen.In either case I can' ... read more

markbytes

"Rookie needs help with thermostat install " , posted Sat 8 Jan 14:50:

Here is my problem. I have only 3 wires coming from the wall. I have an R(power), G(fan relay), and a W(heat control). My old thermostat also controls the ac compressor as well. I am installing a Rite ... read more

bamajas

"Honeywell Digital Thermostat " , posted Sat 8 Jan 14:25:

I recently replaced my old Mercury operated regular thermostat for my central gas heat/electric A/C unit with a Honeywell Model RTH5100B Digital manual Thermostat. All the wires were the same color co ... read more

chevyo

"Williams Furnace Honeywell Valve Problem (LP) " , posted Sat 8 Jan 11:14

Hi, I have a Williams Furnace 50GV-5 furnace with a honeywell vs821c1000 valve. The heater recently stopped working. What happens is the pilot lights (and stays lit fine), but when I go to turn on the ... read more

NetTechie

"XE 70 - not a flame sensor? " , posted Sat 8 Jan 11:11

I have the XE 70 with the same problem as described in the earlier postings.I replaced the flame sensor and the unit works perfectly for a few days before the same problem comes back.I ... read more

doanh

"fan limit control " , posted Fri 7 Jan 06:53

hello,i installed a honeywell fan limit control on my gas furance,turn heat up the burner and fan come on runs for about 2 minutes and the fan shuts off but the burner stays on,2 minutes later fan com ... read more

semtex111

"ruud nightmare " , posted Thu 6 Jan 23:35

It just quit producing heat... I replaced the gas valve, ingition control box, IC circuit board and the ignitor. 24 v is present where it should be and the transformer and all limiting devices are wor ... read more

ruudrunner

"How do I wire a Trane XT500 thermostat " , posted Thu 6 Jan 22:30:

How do I convert the wiring from Honeywell to Trane Stat.T8011 Red - R Blue -COrange -OGreen -G White -WYellow -YE jumped to W2read more

wl1522

"Emergency/Auxiliary Heat Cycle not Working " , posted Thu 6 Jan 18:17

I have a Trane Heat Pump and A/C unit Model# WVX042A100A in that the cycle will not produce any heat when the thermostat shows that it has been cycled in or manually requested on the thermostat. Is t ... read more

graybeard47

"4 flashes "Open Limit switch" " , posted Thu 6 Jan 14:32

Hi,I get 4 flashes "Open Limit Switch" [ where is this switch?]This condition may be caused by: dirty filter[ new one]improper sized duct system [ nope, it worked just fine before]inco ... read more

Pandy

"Fan won't shut off on Lennox Pulse21 " , posted Thu 6 Jan 13:34

I have a Lennox Pulse21 Model G21Q4-80-1 gas forced air furnace, 10 years old. Normally the fan shuts off about 3 minutes after the "burner" shuts off. Now, for about half of the heat cycles the fan c ... read more

racer

"Lighting Pilot on a Luxaire Model SH-100 D " , posted Thu 6 Jan 09:12

I woke-up this morning and my heating unit was not working. I have concluded that the pilot is out. My gas oven and gas water heater is working just fine.There is an instruction plate mounte ... read more

kingkt

"static elect " , posted Thu 6 Jan 09:05

can static elec ruin a thermostat. it seemed to run the batteries down quickly for the digital read out. ... read more

lanejr

"Trane XE 1000 Heatpump " , posted Wed 5 Jan 21:04

I've recently had my aux. fan replaced on my outside heatpump. I've recently heard that there is possibly a bulletin or recall on this. Can somebody help me out with this or point me in the proper dir ... read more

azchev

"furnace kicks back on....why? " , posted Wed 5 Jan 19:38

Have a Rheem furnace. It kicks on and runs it's course....all great. When it kicks off, it's off a couple seconds then kicks back on for about 3 seconds then goes off til the house cools down again. ... read more

BN31

"I Need help " , posted Tue 4 Jan 23:09

i know nothing, i have been in my house for a year and the ac works fine, now i turned the thermostat to the heat the house now and it worked for a couple of weeks, but then all of the sudden it stopp ... read more

poery

"Floor furnace controls? " , posted Tue 4 Jan 22:49

I have a 1950's floor furnace with a simple on/off valve and I would like to put a thermostat on it. Can you recommend a valve and maybe give me an idea about how to install it? I know that is limit ... read more

hardrockheat

"Pilot lights but burners don't " , posted Tue 4 Jan 21:14

I have a Lennox Heater Model G160. I had an ignition module from Robert Shaw SP735L. I bought a replacement ignition module from Honneywell S8660K. I bought the ignition module b/c power was going ... read more

Lance

"Rheem or Lennox " , posted Tue 4 Jan 17:39

which is a better Central AC unit, 4-5 ton....13 or 14 SEER...the Lennox brand or the Rheem brand ????? ... read more

rappey

"temp. hold problem w/ Honeywell VisionPro " , posted Tue 4 Jan 17:17

I 'upgraded' my thermostat on my WaterFurnace Premier heat pump to a Honeywell VisionPro TH8320. Installation was a snap, but I noticed that the status LED was flashing whenever I manually adjusted t ... read more

jc98250

"what age? " , posted Tue 4 Jan 16:43:

I have a Crane Sunny day 102 gas boiler and I am trying to find out how old it is? Is it any good? What is the efficiency rate if any? Should I update it! ... read more

lilfoog

"Fan Limiter for Lennox Gas Furnace " , posted Tue 4 Jan 11:37

I have a 22 year old Lennox gas furnace. My symptoms are:1) burners ignite,2) after 10-15 secs blower starts,3) blower runs for about 10 secs then shuts off,4) burners continue for ano ... read more

FixitKB

"Trane XL80 ignitor problem " , posted Mon 3 Jan 23:11

This unit has a White Rogers 50E47-060 ignitor module that has a red flashing light.At startup, the blower motor starts, the ignitor lights, the gas turns on and the burners light. Then after ... read more

BlueOakMo

"Goodman furnace burners lite but eratic help! " , posted Mon 3 Jan 22:45

the furnace is a modelgmpn100-4 100,000 btu natural gas.when it comes on the vent motor comes on fine igniter fine then when gas valve opens it lights then on the side where the flame sensor is those ... read more

irocg92

"hfraser Johnston heater help " , posted Mon 3 Jan 22:38

I have an old Fraser Johnston Heater, Model # 85-CJS. Do you know where I can find replacement parts such as the Valve. I had an HVAC repair person tell me that the heater is an outdated model and he ... read more

sabo

"Rheem- Direct Spark Ignition " , posted Mon 3 Jan 20:53

Hello-I have a Rheem Criterion II heater, with an integrated direct spark ignitor, that recently stopped working. When the thermostat is turned to heat the furnace starts up like normal, and ... read more

SDJohn

"PLEASE HELP! a/c not cooling~ " , posted Mon 3 Jan 18:57

I noticed that my ac is not cooling.. It will blow warm air and the heater will work, but it does not cool. I do not know anything about a/c's. Could someone please tell me what may be wrong with it. ... read more

aeastabunny

"I Mean Choose, Not Chose " , posted Mon 3 Jan 16:55

... read more

EngrStudent

"Which One To Chose? " , posted Mon 3 Jan 16:51

My father has recently made the decision to have refrigeration air installed in our home. He has spoken to two representatives from two different companies and isn't really sure at this point which o ... read more

EngrStudent

"Thermocouplers " , posted Sun 2 Jan 20:48

Forty year old gas furnace with a pilot light that goes out every few weeks? Trying a new universal thermocoupler didn't seem to help. ... read more

WARD