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I'm troubleshooting my Intertherm furnace. I installed a new
I installed a new electrical igniter. Then turned everything on. The purge fan ran about 30 secs, then the igniter got orange hot, then the gas valve "clicked" on, but no gas came out. The gas ball valve is open and when I crack the union I can smell natural gas. I figured the gas valve might be broken. So I bought a new on exactly like it and installed it. And now I'm getting the same results. After about 4 tries it shuts down and the code is 4 blinks , meaning ignition failure. Not sure what the next step is... … read more
Phil
Phil
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Degree, Mech Engr Technology
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I live in a manufactured home and have an Intertherm furnace
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Gaztech
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BillyHvac
BillyHvac
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Have an Intertherm furnace, model # MMHA-066ABHR-01. When
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airheatman
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We have an Intertherm Model mmha-070aahr-02 with a united technologies
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BillyHvac
BillyHvac
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hi, I have a goodman gmpe 100 furnace. It will sometimes come
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airheatman
airheatman
Heating & Air Conditioning Contractor
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I have a Carrier Weathermakes SX that was installed in 1988
I have a Carrier Weathermakes SX that was installed in 1988 according to the tag. Yesterday when I returned from the office I noticed the house was quite cool. The thermostat was set to 21c but the te… read more
airheatman
airheatman
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Im not getting heat, I know I have power, my propane tank
I'm not getting heat, I know I have power, my propane tank is 80%. I raised thermostat to 74 but furnace won't come on. Unit is 5 years old -- this is cottage I just came up yesterday It's Sat. 6 pm n… read more
Heath Moyer
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I have a Trane Gas fired forced air furnace Model # BLU068l942A1
I have a Trane Gas fired forced air furnace Model #: BLU068l942A1 Serial #: B26581578, with an intermittent type ignition device. I can operate the fan via the thermostat, but the unit does not heat. … read more
BillyHvac
BillyHvac
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We have an Intertherm Model mmha-070abhr-02 with a united technologies
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Tim H.
Tim H.
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I had a technician come to our home to fix our heater, he fixed
I had a technician come to our home to fix our heater, he fixed it. Now, just yesterday I came home and the house was cold. I have a Bryant heater and would like to know exactly how to turn it on. I a… read more
Rick
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We have a G23 Lennox gas furnace, s/n 5896L22537. the pilot
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BillyHvac
BillyHvac
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I have an Lennox G12R03E*82-6 auto light furnace. It does
I have an Lennox G12R03E*82-6 auto light furnace. It does not light. I have replaced the filter that was clogged and put in a new thermostat. I followed the auto light instructions which did not work.… read more
gotoman for ac
gotoman for ac
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i have a thorn olympic 35B it has worked faultlessly for years
i have a thorn olympic 35B it has worked faultlessly for years but yesterday the pilot went out at the same time as it went to off , i relighted the pilot ok and it came back on but it has done the sa… read more
gotoman for ac
gotoman for ac
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Our heater stopped tonight, it looks like the pilot light went
Our heater stopped tonight, it looks like the pilot light went to. So, I lowered the thermostat turn off the power and the gas to the furnace to get the ignitor to relight the pilot light. (It is auto… read more
Bill
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Hi! I just purchased a portable building that a s a Model
Hi! I just purchased a portable building that a s a Model MMHa-090AAHR-01 furnace, it was missing the thermostat when it arrived. there are 5 wires coming out of the wall red has 24 volts, attached to… read more
ComfortZone
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Intertherm furnace wont ingite, model mmha-070ABHR-05 Just
Intertherm furnace wont ingite, model mmha-070ABHR-05 Just hums and then a red light starts blinking twice.… read more
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Meet the Experts:

Phil

Phil

Mechanical Engineer

8,427 satisfied customers

Retired HVAC/ Electrical & Boiler contractor. Industrial

Rick Mather

Rick Mather

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Matthew

Matthew

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Brian HVAC Guy

Brian HVAC Guy

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Kenton Guidry

Kenton Guidry

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Tom

Tom

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A-1 Tech

A-1 Tech

Service Manager

526 satisfied customers

I have been in the HVAC business for over 40 years.

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