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  1. 07-30-2019, 02:46 PM #1
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    Default Tankless water heater exhaust vent

    How far away does a tankless water heater exhaust vent termination need to be away from a window.

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  2. 07-30-2019, 03:07 PM #2
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    Default Re: Tankless water heater exhaust vent

    You need to look up the unit's listed and labeled instructions for proper vent clearances.

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  3. 07-30-2019, 04:20 PM #3
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    Default Re: Tankless water heater exhaust vent

    Quote Originally Posted by Sam Morris View Post
    How far away does a tankless water heater exhaust vent termination need to be away from a window.
    Looks like its 12" so that means its safe

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  4. 07-31-2019, 05:07 AM #4
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    Default Re: Tankless water heater exhaust vent

    There is more to venting than meets the eye.
    Could you provide the manufacturing tag?
    Gas Appliance Direct Vent Termination Clearances.

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  5. 07-31-2019, 06:22 AM #5
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    Default Re: Tankless water heater exhaust vent

    Quote Originally Posted by Sam Morris View Post
    Looks like its 12" so that means its safe
    Sam,

    Even if it meets manufacturer and code requirements ... I wouldn't use the word "safe" ... nothing is "safe" ... other than maybe "a safe" ... and even those have proven to not be completely "safe".

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  6. 07-31-2019, 07:29 AM #6
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    Default Re: Tankless water heater exhaust vent

    I also see unsealed openings around the two penetrations.

    Is that dryer exhaust vent cap (what looks like a dryer vent cap) for a clothes dryer exhaust and not one for the tankless water heater?

    If it is for the tankless water heater, is it allowed to be used for that use?

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  7. 08-01-2019, 07:04 PM #7
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    Default Re: Tankless water heater exhaust vent

    Maybe this will help.

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  8. 08-07-2019, 06:14 AM #8
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    Default Re: Tankless water heater exhaust vent

    Quote Originally Posted by Sam Morris View Post
    How far away does a tankless water heater exhaust vent termination need to be away from a window.
    Also, please make sure they have a CO detector nearby. There was a tragedy here in central OH that could have been prevented. The root cause was a self-installed (not inspected) tankless water heater.

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