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Thread: What is the right way to use a pool heater?

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    Join Date
    May 2016
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    Toronto/Ontario/Canada
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    What is the right way to use a pool heater?

    Hi everyone, I have a natural gas heater 250k BTU and a pool size 21k gallons. Our average summer weather temperature is in the low 70s and I do not have much direct sun hitting the pool. I am wondering what the best way to use the heater is. i.e. do I keep it on always and set it to the desired temperature (82-84F) and just let it regulate itself or do I keep it off most of the time and only turn it on when I know we plan to use the pool? Our pool usage is best described as inconsistent. Also please note that I mostly keep the pump running 12 hours a day only and usually at night. Your thoughts are much appreciated!
    In Ground Chlorine Irregular Shape (21,000 gallons), Cartridge filter Sta-Rite S7M120, Pentair 342001 SuperFlo VS, Vinyl Liner , Gas Heater Raypak P-R265B-EN, Test Kit Taylor K-2006, Filled with Tap Water, NO Spa, Several large trees towering the pool, Pool and equipment several years old but look in reasonable shape

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    Mod Squad pooldv's Avatar
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    Aug 2012
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    Re: What is the right way to use a pool heater?

    Do you have a solar cover? That will help a lot to hold in the heat overnight. Also, I would run the pump disputing the day rather than at night. Running the pump at night moves water through cooler pipes and cooler air. With a cover I would be inclined to keep it warm, without a cover I would heat it as needed.
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    Join Date
    May 2016
    Location
    Toronto/Ontario/Canada
    Posts
    68

    Re: What is the right way to use a pool heater?

    Thanks DV!

    In Ground Chlorine Irregular Shape (21,000 gallons), Cartridge filter Sta-Rite S7M120, Pentair 342001 SuperFlo VS, Vinyl Liner , Gas Heater Raypak P-R265B-EN, Test Kit Taylor K-2006, Filled with Tap Water, NO Spa, Several large trees towering the pool, Pool and equipment several years old but look in reasonable shape

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