Reverted flue/vent

Reverted flue/vent

PostBy: Always learning On: Sun Nov 05, 2006 3:34 pm

I recently came across an old coal-fired, gravity warm air furnace which had been converted to a gas-fired unit with a blower added. The original unit had a "reverted" flue or vent. Can someone tell me exactly what the function of a reverted flue was on the original unit? I believe the furnace was a Sunbeam and the gas conversion unit was a Waterbury.

Thanks.
Always learning
 


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