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Thread: Wood fired pool heater

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    Wood fired pool heater

    Thinking of using my domestic hot water coil in my wood boiler to heat my pool for the summer. Does anyone know if this will work or am I wasting my time?
    25,000 gallons,sand filter,IG,vinyl,SWG
    chlorine: BASE 0
    Free Chlorine: 0
    pH: 7.6
    Alkalinity: 120
    Stabilizer: 30
    Hardness: 350
    Ammonia: 2.0
    Salt: 3510

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    In the Industry
    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Wood fired pool heater

    Hands on personal experience.....waste of time. Your heater is w-a-a-ay too small.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: Wood fired pool heater

    Welcome to TFP!

    Swimming pools need a huge amount of heat. A typical pool heater is around 200,000 to 400,000 BTU, while a typical water heater might be 30,000 BTU.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Re: Wood fired pool heater

    I have known people to use a wood fired boiler with success, they were both 24' round above ground pools. Make sure it has a SS coil that your pool water runs through and that your lines can handle the temperatures. If I remember the Btu ratings were around 100,000-150,000.

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