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Furnace worked fine last spring until we shut off end of
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Appliance Guru
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The only way I can get my Lennox PULSE 21 to give up heat is to push the fan on button on my thermostat. Otherwise all I get is the 8 second or longer trial for ignition and then nothing. The 21 follo… read more
BillyHvac
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I have a lennox pulse 21 furnace model number G2103-80-1. It
I have a lennox pulse 21 furnace model number G2103-80-1. It is not starting. The green light is solid and not flashing.… read more
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I have a 1997 Lennox pulse 21 and i have been running the fan
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airheatman
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I have a Lennox Pulse 21 (G21) gas heater that is 22 years
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BillyHvac
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spark plug in a g14 lenox pulse cause a low temperature
would the spark plug in a g14 lennox pulse cause a low temperature on the heat exchanger? Occasional lockout? I have not been in the house when it shuts down but it seems to be on the coldest nights.… read more
BillyHvac
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Hello, I have a lennox 21 pulse furnace. It was installed
Hello, I have a lennox 21 pulse furnace. It was installed in 1999 and was just maintenanced last fall. In the last few weeks, the furnace is not turning on and I notice the green sensor light is off. … read more
gmac2905
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Hello I am writing to you from Australia. We have no service
Hello I am writing to you from Australia. We have no service agents in our area and I hope you can help us. We have a Lennox Pulse 21 (model number G21Q3-80-2T). We have had the unit for 18 years and … read more
BillyHvac
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I have a Pulse installed late 80s , has been a great unit.
I have a Pulse installed late 80's , has been a great unit. last night it quit. turned off power several times to try and reset , even for 1 hour. power back on, call for heat from tstat, green light … read more
Phil
Phil
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We have 2 York Sunlines... Did some gas pipe repairs while
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Douglas
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cant get the R7184B to prime oil before going off on reset.
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I have a Lennox Pulse G14 furnance- serial number XXXXXXXXXX
I have a Lennox Pulse G14 furnance- serial number XXXXXXXXXX it was installed June of 1989. It has always worked well- but when we turn the heat on it blows but no heat, what could be the problem??… read more
Matthew
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on a pulse 21 g14 where is the pulse blower and how do I get
on a pulse 21 g14 where is the pulse blower and how do I get to it to oil it...the furnace willl not ignite and the blower seems to run a for a few swcs and dies out… read more
Douglas
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Hello Tech, I have a few questions and really need an unbiased
Hello Tech, I have a few questions and really need an unbiased opinion. My house has two LENNOX Pulse 21 furnaces (G21/5-100-3Q, G21Q3-60-3) one for upper level and one for lower level (each is tied w… read more
Dan Linger
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We have a Lennox Pulse 21 furnace that was installed back in
We have a Lennox Pulse 21 furnace that was installed back in 1993. I have the thermostat at 71 degrees. It seems to be working, and then it feels chilly in the house. I look and the thermostat says 68… read more
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Phil

Phil

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