On a 1990's vintage Lennox gas heater, how do I clean the flame sensor? The furnace

DaveFinley Posts: 1, Reputation: 1

New Member

Dec 6, 2011, 08:50 PM

On a 1990's vintage Lennox gas heater, how do I clean the flame sensor? The furnace

Operates intermittently, it starts up, heats for several minutes, then shuts off. Doesn't seem to be reaching full temperature either.

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