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Boiler Blower Assembly Air Intake

tano
tano Member Posts: 1
in Domestic Hot Water
Hi,
I have a Bradford White with a blower assembly for power venting. I noticed that the assembly has a fresh air intake on the rear as well..so its actually venting the fumes from the burner + conditioned indoor air. Does anyone know why it is designed to work like that? Seem wasteful to exhause indoor air that's been conditioned (cooled, heated etc.).

Thanks.

Comments

  • JUGHNE
    JUGHNE Member Posts: 11,262
    If it is part of the original design it may be to cool the exhaust gases as they pass out thru the fan.

    Power vented water heaters use this practice to cool the exhaust down so PVC pipe can be used.

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