Question about Lite On Laars Lite 2 Heaters: 250,000BTU MV Heater

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Laars Lite 2 - Turns off after 5mins of being on!

I have a 10 month old new Laars pool heater.
Just fired up for summer (off during winter).
Pilot lights, boiler kicks in...then after 5mins everything turns off.
Then have to do it all again!
Thermostat is set properly, just don't know why it all shuts itself down?

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  • bmacg Jul 05, 2008

    Have the same problem - heater works well, intermittently. Checked (methodically) the following:


    • pressure switch

    • fusible link

    • fireman's switch

    • on\off switch

    • hi-temp limit

    • potentiometer (thermostat)



    and thought I'd discovered a problem with the on/off switch. Bypassed to no avail - still performing intermittently. Very frustrating. Would recommend anything but Laars!



    Would appreciate any help....

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This happened to me and the tech came out and change the pressure switch and it worked fine afterwards

Posted on Sep 09, 2009

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Posted on Jan 02, 2017

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