View Full Version : Lenox Pulse
06-22-2005, 11:45 AM
Did they ever have a variable speed blower?
06-22-2005, 12:16 PM
06-22-2005, 02:53 PM
I never saw a VS blower in a Pulse unit.
The know how was there but,
I didn't think anyone was using it in the field at that time.
tinknocker service tech
06-22-2005, 06:14 PM
yes the later g21 had them
06-22-2005, 09:15 PM
Pulse furnaces with a varriable speed blower had a V in the model number.
The 2 models that had them are the G21V upflow and the GSR21V horizontal/downflow units.
The first few years of them had the ICM1 motor. In the very unlikely event one still has an ICM1 motor, there is a kit available from Lennox to upgrade to the ECM2 motor.
I forgot the date, but the units started coming with the ECM2 motor shortly after it became available.
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