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

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Gas pool heater above ground will lite and feel heat then shuts off

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  • Pino57 May 16, 2009

    The heater comes on and shut off after a few minutes. What can be the problem

  • mlysak May 17, 2009

    i have the same problem.. or close to it. Heater goes on, and then after maybe ten seconds shuts off. I suspect a safety device senses the heat and shuts it off.. but there is no unusual fire so I suspect the safety sensor is bad. This is just a guess.

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Do you have flow through the heater, pump for pool running , is your aquastat[ water temp control] set correctly

Posted on May 14, 2009

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My Jandy lite 2 natural gas heater has a loud clicking noise. It fires up and heats my pool nicely. My problem is.... as it is heating there is a loud clicking noise from the gas valve area. It acts a


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1 Answer

We have a laars lite 2, when we openned the pool


Thank you for posting your question here on Fixya.com.

It could be...does it open up at the point the heater shuts down? Check it with a DMM to see. It is more likely an issue with flame recognition off the pilot/ignitor. Check them for rust that would cause a faulty connection.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!

John

May 30, 2010 | Teledyne Laars Laars Lite 2 Pool Heater...

1 Answer

It heats the pool but the hot tub gets warm for ten min then the heater shuts off ???


ARE THE TEMPETURE SET HIGH IF YES THEN THE FLOW VALVE IS BAD . WHAT ABOT THE FLOW TO THE SPA CHECK THE PRESSURE READING WHEN SWITCH FROM POOL TO SPA IF VERY HIGHT THE JETS MAY BE PLUG MAKING THE FLOW TO SLOW FOR THE HEATER TO WORK OK

Dec 01, 2009 | Teledyne Laars Laars Lite 2 Pool Heater...

1 Answer

Laars Teledyne Pool heater flames on for 2 seconds, shuts off


pull out flame sensor and clean with sand paper or emmoring cloth then try again should work (small black wire with sensor sitting above burners)

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