Quote:
Originally Posted by swnoel
Soap bubbles??? The chimney should have a negative draft not positive draft! If you don't you have a problem.
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Yes ..... true enough ..... negative draft ...... except with that 90-degree turn just close to the back of the boiler that creates an obstruction to the air flow from the blower fan and maybe some exhaust gets out. It already has duct tape on it so's that's probably a problem spot.
Hit it with more hi-heat duct tape and clean the outside so's the tape will stick, good.