Contractor installed a 175k btu cast iron boiler in a closed closet against an exterior wall. How big a vent do I need to exterior for fresh air Intake? It’s direct vented and sucking fumes back into the house, I assume it’s starving for air. There’s no ventilation now.
No smart comments about the boiler please, I only hire licensed professionals, and now this is what I’m working with.
Thanks.
No smart comments about the boiler please, I only hire licensed professionals, and now this is what I’m working with.
Thanks.
source https://hvac-talk.com/vbb/showthread.php?2223963-Need-help-with-fresh-air-intake&goto=newpost
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