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Thread: Nothingallday

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    Join Date
    Mar 2015
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    Maricopa, AZ
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    Question Nothingallday

    Hello. My first time asking a question of this forum. I am planning on adding a NG pool heater to our existing, six month old pool for next winter. What might be the best &/or optional gas pool heater. Our pool is approx. 15,000 IG, facing S. It is a salt pool which uses a Pentair IC 40 salt cell, a Pentair VS 3050 pump with a Pentair clean & clear 420 Cart filter. The pool perimeter is 99 ln. ft. with a surface area of 467 sq. ft. It has an in floor Q-360 cleaning system. The pool slopes from 3.5 ft. to a max of 5 ft and has one shear water feature. Our current readings have been steady at 3; 7.4; 80. We have a natural gas line installed next to the pool equipment which could support 400K BTUs. Not certain if I need a 400K unit ie Pentair vs Hayward or could get by with a smaller 250K unit. Also, as it is a salt system, do I need a heat exchanger that is less effected by corrosion such as a Cupro? Any and all responses welcomed. Thanks.

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    37,879

    Re: Nothingallday

    Welcome to TFP!

    Raypak seems to be the most recommended brand on the forum.

    It is usually best to get the largest heater you can. Pools take a very long time to come up to temperature, and a larger heater will keep that time as short as possible.

    A regular copper heat exchanger is just fine with standard SWG salt levels, i.e. around 3000 to 3500 ppm. The cupronickel heat exchangers are only needed for ocean water, which is around 35,000 ppm of salt.
    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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    BoDarville's Avatar
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    Jun 2012
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    DFW, Texas
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    3,840

    Re: Nothingallday

    Welcome to TFP!

    I just responded to another post about heaters and the Raypak was highly recommended there as well. I have a Teledyne Laars heater that is around 25 years old and still works well. But I have no idea if their current products have the same build quality. They may or may not - I really haven't researched it.

    Quote Originally Posted by JasonLion
    It is usually best to get the largest heater you can. Pools take a very long time to come up to temperature, and a larger heater will keep that time as short as possible.
    +1...well said, nothing to add.
    Gold Supporter, TFP Lifetime Supporter, 26,680 gal Plaster IGP 3.5 - 10' depth / Attached Waterfall Spa, Manually Chlorinated, Triton Sand Filter, 1.5 HP * 1.1 SF = 1.65 SFHP 1-speed Pentair WhisperFlo WF-26 Pump, 400K BTU NG Teledyne Laars Series One Heater, Polaris 360, Test Kit Comparison, Chlorine/CYA Chart, SLAMing Your Pool, OCLT
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