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Thread: Four load timer needed?

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    Four load timer needed?

    I have a Intermatic PE153 digital timer that has three loads. Issue is that I just added a heater to my system (Sta-Rite 400K BTU). I assume this means I would need to upgrade my timer to a 4-load - Hi pump/lo pump/swg/heater. I can't locate a time that has 4 loads that will ensure hi pump is running before kicking off swg or heater. Does this mean I need to upgrade to a control center now? If so, it the PE153 no longer needed? Any advisement on a solution?
    20'x42' inground, Stonescape pebble finish, 41K gal, Jandy Stealth 1.5HP SHPF1.5-2 dual speed pump, Tagelus TA-100D sand filter, CircuPool RJ60 SWGS, Polaris PB4-60Q booster pump, CareTaker in-floor cleaner, Polaris 380 cleaner bot, 2xIntermatic 1353 Timers, Sta Rite 400k Natural Gas SR400NA heater

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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: Four load timer needed?

    The usual solution is to wire the heater to the same output that powers the high speed pump. That automatically makes sure the pump is on high. With a gas heater, the electrical draw is so low it is fine to have it on the same circuit as the pump.
    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: Four load timer needed?

    Awesome, thanks! So load #1 is high pump AND natural gas heater; load #2 is low pump only; and load #3 which only activates if load #1 is running is salt water generator? That seems like it will work out as I mostly run load #2/low pump as it is sufficient to cycle water since pool is enclosed. Can program load # 1 to kick in before weekend when heater will be mostly needed. Thanks!
    20'x42' inground, Stonescape pebble finish, 41K gal, Jandy Stealth 1.5HP SHPF1.5-2 dual speed pump, Tagelus TA-100D sand filter, CircuPool RJ60 SWGS, Polaris PB4-60Q booster pump, CareTaker in-floor cleaner, Polaris 380 cleaner bot, 2xIntermatic 1353 Timers, Sta Rite 400k Natural Gas SR400NA heater

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