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Thread: Pool Heater Question(s)

  1. Back To Top    #1

    Join Date
    Apr 2013
    East Bethel, MN

    Pool Heater Question(s)

    Planning on having a Pool Heater installed this spring... a Rheem M406A (Nat. Gas). The first installer indicated I will need to have my home gas meter upgraded as it's too small for the flow rate the pool heater will need. I've been doing quite a bit of investigating on a pool heater and this is the first I've heard or read about replacing the meter (maybe this is an obvious upgrade). Does anyone have any experience with this - costs, etc? I know costs depend on location (live in MN) but an idea would be helpful. Based on the markings on my meter, I believe any heater above a 200,000 btu will require a meter upgrade. Any advice on what to make sure I ask for in the installation of the Heater? My wife indicated we need a fire switch added... haven't heard of that either??

    2013 21,500 Gal. 28' Round AB Doughboy
    DE Filter, Taylor K-2006 Test Kit
    Solar & Rheem 400k heat

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: Pool Heater Question(s)

    We needed to upgrade our gas meter. The gas company paid for the new meter, while we paid for the new gas line run out to the pool. Pool heaters tend to draw more gas then everything else in your house put together, so needing to upgrade the meter is fairly common.

    A "fireman switch" is an optional feature on many timers that turns the heater off ten minutes (or so) before the pump goes off. Most, but not all, heaters require this so they have time with full water flow to cool down and don't overheat internally when the water flow stops. Your heater manual will say if it is required or not.
    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

  3. Back To Top    #3
    bridgman's Avatar
    Join Date
    Mar 2014
    Bowmanville, ON Canada

    Re: Pool Heater Question(s)

    I was looking at standby generators (relevant because they also use a lot of natgas) and meter upgrades were often required there as well.
    Cedar hot tub, 680 US gallons - Snorkel wood-burning heater, canoe paddle, "offline" Intex 1000 GPH pump/filter with skimmer

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