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

1 Answer

Laars Lite 2 Pilot will not light

My laars Lite 2 was running fine but when checking the pilot had gone out and now can not re-light. The pilot lights but when I release the white button it goes out. Any ideas please

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  • JimJay Jul 03, 2008

    I am having the same problem. The heater was working fine and then one day when I turned off my pump to clean the screen, the heater did not fire up when ai turned the pump back on. I checked the pilot light and found it not lit. I have tried lighting it several times but everytime I release the control valve knob the pilot light goes out. I am wondering how you check the thermocouple to know if it is working properly.

  • PoolPride Jul 30, 2008

    I have a similar problem. I have a spark, but my pilot light will not ignite at all. And I don't smell any gas. Anybody have a guess as to whether this is the gas valve or the thermocouple? Thanks!

  • tony_kelly May 24, 2009

    the pilot would lite first time but burner would not kick in on recomendation from jandy engineer i changed the water pump now using a marlow itt 1hp, after fitting the burner kicked in for approx 3 mins now i have no pilot and no main burner, i have had this unit for 1 month from new and it has worked for approx 3 minutes i could heat more water with a candle, stay away from Jandy.

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1 Answer

If you have not found the problem yeat, it IS the thermocoupling( or pilot generator(same thing))
You may test by placing a multimeter on the red and white leads coming to the gas valve. you do not need to disconnect the leads first but you can

Posted on Jul 25, 2008

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1 Answer

Not light


check to make sure that the poilet lite flame is touching the tip or top of the thermocouple.
the pilot lite needs to heat up the thermocouple so that the thermocouple opens the gas to the main gas log. a cold thermocouple shuts off the gas to the main gas log or gas burner and a hot thermocouple opens the gas to the main burner.
the pilot lite flame must be touching the thermocouple to heat it up.
pilot lite orface needs to be clear to let the pilot flame gas through with enough pressure so that the little flame can reach & touch the thermocouple. Pilot lite gas feed tube must be clear to let gas through. Use compressed air or a fine sewing needle, or even carb cleaner to clear out orface hole and gas feed line to pilot lite.

important!! WARNING:
if you use carb cleaner,make sure all the carb cleaner is dry,soaked up with paper towell or kleanex tissue and blowed out with compressed air , because carb cleaner can burn just like gasoline; so any carb cleaner must be compleatly gone before you attempt to lite the pilot lite.

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Thanks
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