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The Case of the Cold Flue Pipe
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RayWohlfarth
Member Posts: 1,791
This weeks case involved a water heater flue pipe that was rusty and had holes. When I felt it, it was cold because it was using the flue pipe for the combustion air. The combustion air louver was blocked
https://www.youtube.com/watch?v=2tmJlOzdZOY

Ray Wohlfarth
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