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Thread: Heater plumbing question (automatic flue damper)

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    Join Date
    Jul 2016
    Location
    Albuquerque, NM
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    4

    Heater plumbing question (automatic flue damper)

    I'm going to be installing a new Raypak heater. Does anyone know if it's ok to install an automatic flue damper on the exhaust vent (it should be fine as they are used on other boilers to improve efficiency)? Can this be wired to the heater so that it will be triggered to open when it fires up?

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    borjis's Avatar
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    Aug 2014
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    Pacific NW
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    Re: Heater plumbing question (automatic flue damper)

    I just had a Raypak installed last week...they sell a chimney kit too (and the installer said i had to have the new one to fit right and be up to code)

    But why wouldn't you just want it open all the time I'm wondering.

    It would not be good to have a damper bind up or fail if the heater was running.

    Are you a certified heater person? If not you won't have a valid warranty. (if you were not aware)
    16x32 IG Vinyl, 13,000 Gals. Hayward S-244T sand filter, SP2810X15 pump
    (1.5 HP motor) Raypak PR266AEN (266k btu) gas heater. TF-100 Test Kit.
    Dolphin E10 Cleaning Robot.

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    Join Date
    Jul 2016
    Location
    Albuquerque, NM
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    4

    Re: Heater plumbing question (automatic flue damper)

    Apparently these dampers help improve efficiency by retaining heat when the boiler is not running such as when water is flowing through the heater during pump running. They use these on many other boilers and water heaters so it's not something I made up. And yes I'm aware of the warranty. It won't be an issue since I'm having a person install it.

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