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Question About Lennox International Inc. Furnace G21Q
not blowing heat up thru ducts; the blower is new and working...

lennox pulse 21; no heat blowing up thru ducts; the blower is new and working

Asked by Robin on 02/07/2009 2  Answers

ManualsOnline posted an answer 15 years, 8 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

David posted an answer 15 years, 7 months ago

0 I have the same problem ever since the fire chamber exploded while lighting the pilot. deformed the fresh air plenum and blew the rain cap off the chimney. Repaired, straightend, and sealed damaged sheet metal. the blower is very quiet and very little air is coming out the vents. I suspect the fire box swelled enough to restrict the air flow around the chamber. I need to replace the unit!!
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