Question about Teledyne Laars Laars Lite2 Heater 175000 BTU NG Elec Ign

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I have the Laars lite 2 175000 btu. To get the unit to work I had to play with the pressure switch. It would then start and work fine, until I turned the unit off. I would have to play with the pressure switch again to make it work. I thought the problem was the pressure switch so I replaced with a new switch, the same model even. Now I can not get the unit to work at all. I even tried putting the old switch back. Am I missing something or does it sound like I have a larger problem here. In need of some advise.. The pilot light works fine, unit will just not fire up.

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  • keith22matti Aug 20, 2010

    Thanks, was afraid of that. Just needed to hear someone else say the same thing. Time to bring in the pro's


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HI! Looks like that the problem will be on the mainboard which connects to the pressure switch. Since replacing the switch didn't resolve the problem,it's gotta be a loose or faulty capacitor on the mainboard. You will need to have the capacitors checked and replaced to make this working normally again. Hope this helps and thank you for using FixYa!

Posted on Aug 20, 2010

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