Now first let me say i am a pulse furnace fan they are pretty neat units.
Lennox pulse 21 furnace.
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Units operate on the pulse combustion principle and do not require conven tional pilot burner main burners flue or chimney.
I have a lennox pulse 21 furnace that was installed in 1993.
To identify a pulse furnace look for its name on the door.
The unit had an automotive type spark plug ignitor used on the initial cycle only which helped save energy and worked on the pulse principle meaning it did not require a pilot burner main burners conventional flue or chimney.
If the unit is a pulse 21 furnace it was manufactured after 1990 and is not part of the inspection program.
Looking for more information about your lennox.
I have five in my service area that passed routine inspection every two years for the eight years i worked for that shop.
The pulse furnaces that passed the checks will likely outlive us all given adequate supply of flapper kits.
Pulse 21 name on the furnace access door.
Use the navigation filters on the left hand side of the page to narrow the search down the exact part you want.
Can t find the right part.
However this past friday morning i woke up to a morning temperature in my home of 58 degrees.
There is an aftermarket ignition control for these made by baso bgn891 there.
Application lennox g21 series gas furnaces are available in eight models natural gas or lpg propane with input capacities of 40 000 60 000 80 000 and 100 000 btuh 11 7 17 6 23 4 and 29 3 kw.
If you are the homeowner that had the g21 installed you have a lifetime wnty on the heat exchanger and are eligible for the rebate.
It has performed like a champ.
If it s been thoroughly checked by a reputable mechanic i d keep it and run it until the hx.
I have never had any service work done on this pulse furnace since it s been installed.
Try contacting our customer service team at 1 800 269 2609 for some personal.
That said lennox will no longer make most of the critical parts for these furnaces.
For those with lennox furnaces without the pulse 21 name the next step is to remove the front door and look for the name tag.
Hello all lennox is finally giving in on the pulse units.
Lennox recommends all pulse furnaces have the heat exchanger pressure tested every 4 yrs.
