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power vent vs chimney liner

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Pinball
Pinball Member Posts: 249
in THE MAIN WALL
Personally, I've never seen a motor/blower fail on a conventional chimney. It's not a matter of WILL it fail. BUT WHEN?...probably @ 2am when it's 10*below on christmas eve!
Just be sure to provide enough fresh combustion air to the mechanical room for all the appliances. Reguardless of which one you use.

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  • Jim_83
    Jim_83 Member Posts: 67
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    power vent vs chimney liner

    I am replacing an oil fired steam boiler with a gas fired steam boiler. The contractors tell me that if I use the existing chimney I need a liner. Instead of the chimney liner I can use a power vent model.

    The existing chimney has an atmospheric gas steam boiler and two water heaters in addition to the existing oil fired boiler. So there are 4 appliances using one chimney. Inside dimensions of the unlined brick chimney is 8 inches by 8 inches.

    What would you folks recommend for a venting option on the replacement boiler – power vent or chimney and the reasons why?

    If I go with the chimney liner, what type of liner do you recommend? Aluminum, stainless steel or AL29-4C?

    Thank you in advance for your advice.
  • lchmb
    lchmb Member Posts: 2,997
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  • captbuderus
    captbuderus Member Posts: 10
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    liner etc

    I would line with stainless and I would install a oil boiler with a gas power burner. Better equipment, could get it with domestic coil and it allows a easy conversion back to oil if you choose.
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