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Lennox CB30U-21 Draft Inducer
The main furnace vent motor was originally conceived in order to redistribute air and excess gas from the furnace to the outdoors. Some companies call it a draft inducer blower, it provides necessary draft for a much cleaner and safer combustion.A draft inducer, or vent blower, is only one of numerous security devices within your HVAC system.
Chief elements of a failing Lennox draft inducer
- The main blower fan can not ramp up
- Draft inducer motor does not power up at the beginning of the ignition sequence
- A current is measured arriving to the draft motor but the motor does nothing
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