Quote:
Originally Posted by fatlazyless
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.
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Just curious how long you were in the HVAC field? What blower fan are you talking about and what obstruction? I did this for years and am willing to learn from someone apparently with more expertise that I.