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Thread: Sta-rite NG IG Pool Heater fires but won't stay lit

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    Sta-rite NG IG Pool Heater fires but won't stay lit

    Sta-rite NG IG Pool Heater fires but won't stay lit. Fires (abnormal deep sounding exhaust smells of NG), runs less than 4 minutes & heater shuts off. Blower continues to run. The cycle will continue this way until I power it down. No error code.
    Previous to this, pool water not balanced so added 25lbs of alkalinity Plus & just so happens my pool pump expired. Ordered online, replaced within 48hrs. All chemical settled to bottom & ended up in cartridge Filter. Removed and cleaned filters (caked on blue semi-dissolved chemical). Reinstalled & everything works perfectly, except for the heater. What's wrong???

    Jaistauffer
    Intex 14' X 48" ultra frame (AG)
    3861 gallons @ 90% capacity
    Pump: Cartridge filter, 1000 gph

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    Re: Sta-rite NG IG Pool Heater fires but won't stay lit

    Do you have normal water flow now in the pool once you cleaned everything up? It sounds like the unit is overheating, cooling off and re heating. Make sure you have good water flow and then I would also check the thermostat that is located under the bottom union. You can use a set of adjustable pliers or a standard screw drive by sticking it in the slots to unscrew. Maybe it's all gunked up from your chemicals.
    Paul
    http://www.gastekservices.com A word of caution: When working with gas and electrical you might want to consider a licensed contractor. Consider the value of your life and others around you. If you would like to provide a review of the help I provided, please use the following link to leave a review. gastek - Google Search,

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    Re: Sta-rite NG IG Pool Heater fires but won't stay lit

    Awesome!!i will give that a try! I will keep you posted.
    Intex 14' X 48" ultra frame (AG)
    3861 gallons @ 90% capacity
    Pump: Cartridge filter, 1000 gph

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    Re: Sta-rite NG IG Pool Heater fires but won't stay lit

    I just rebuild a Starite E therem heater for a friend.

    It had a mouse nest in the blower - and caused all kinds of problems. Don't know where your located, but dirt, debris in the combustion chamber will create all kids of problems, and seems common to heaters as they are outside and exposed.

    Was it working - then stopped or did it ver work this season.

    Where there any changes before you started having problems. There are several switches - high limit, water flow etc. Most are ON OFF meaning they open or close the circuit depending on the function. Most can be jumped temporarily to test the function.
    25k 20x40 Gunite w/ integrated Spa & Caribbean Blue Plaster, Curved Bluestone Coping, Deck Jets
    Pentair Easy Touch/Wireless, Sta-Rite Intellipro SRVS Pump, Intellibrite Lights, & Pentair IC40 Cell, Sta-Rite 450sf Cartridge filter
    Heated from Central Boiler - Outdoor Wood Furnace & Triangle Tube Max Heat Exchanger
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    Re: Sta-rite NG IG Pool Heater fires but won't stay lit

    Well thanks for all your help. I pulled, inspected & cleaned the thermistor and still had not resolved the issue. Because of the loud rumble of exhaust & the smell I had a hunch it may be the air/gas mix do I opened the control valve & made a slight adjustment.. It worked !! Sound & smell resolved. Heater stayed lit and works great!!
    Intex 14' X 48" ultra frame (AG)
    3861 gallons @ 90% capacity
    Pump: Cartridge filter, 1000 gph

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    Re: Sta-rite NG IG Pool Heater fires but won't stay lit

    But you have no idea if you are within specs or not? You just made a "slight" adjustment. Without using the proper equipment to measure gas pressure you could be setting yourself up for disaster.
    Paul
    http://www.gastekservices.com A word of caution: When working with gas and electrical you might want to consider a licensed contractor. Consider the value of your life and others around you. If you would like to provide a review of the help I provided, please use the following link to leave a review. gastek - Google Search,

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    Re: Sta-rite NG IG Pool Heater fires but won't stay lit

    Point taken. Thanks. I have contacted UGI today to check it out. Appreciate the warning.
    Intex 14' X 48" ultra frame (AG)
    3861 gallons @ 90% capacity
    Pump: Cartridge filter, 1000 gph

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