To identify a pulse furnace look for its name on the door.
Lennox pulse 21 furnace.
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 the unit is a pulse 21 furnace it was manufactured after 1990 and is not part of the inspection program.
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.
I have a lennox pulse 21 furnace that was installed in 1993.
Looking for more information about your lennox.
The pulse furnaces that passed the checks will likely outlive us all given adequate supply of flapper kits.
Search by model number.
There is an aftermarket ignition control for these made by baso bgn891 there.
It has performed like a champ.
The lennox pulse is a discontinued gas furnace with an afue of up to 95 5.
Just enter the full model number of your lennox furnace in our website s search bar for a complete list of compatible parts.
Now first let me say i am a pulse furnace fan they are pretty neat units.
The rebate on bad heat exchangers is 4 hundred dollars toward a new lennox furnace of your choice.
Try contacting our customer service team at 1 800 269 2609 for some personal.
Units operate on the pulse combustion principle and do not require conven tional pilot burner main burners flue or chimney.
That said lennox will no longer make most of the critical parts for these furnaces.
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.
However this past friday morning i woke up to a morning temperature in my home of 58 degrees.
Pulse 21 name on the furnace access door.
I have five in my service area that passed routine inspection every two years for the eight years i worked for that shop.
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.
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.
