Question about Teledyne Laars Laars Lite 2 Pool Heater 250,000 Btu / Natural Gas

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Pool heater will not stay lit

Just moved in the house and got pool up and running. Heater would not turn on. Few days ago it turned on and now it won't. If turned on befor filter the it comes on with the filter and then cut off.

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Check your ignition status. if you have a pilot ,make sure its lit. if you have a glo ignitor, make sure its glowing when you turn on the heater. sometimes it will glow but it might be hot enough to open the gas valve. also be sure to check your gas supply and make sure you are getting fuel to the unit.your heater will not turn on if your pool filter mode is enabled.

Posted on Jul 23, 2009

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Posted on Jan 02, 2017

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

What type of filter do you have: Sand, Earth (DE) or a cartridge? The most likely reason it worked and has since quit is your filter has become dirty enough inside that the flow thru the pump and heater are reduced too low...there is a switch in the heater that senses this and turns the heater off to avoid boiling the water. Cleaning or backwashing the filter should fix the problem. If you have a sand filter or a cartridge filter look at the valve and see if there is a recirculate setting. If so, turn off the pump and change the valve to this setting. Turn everything back on...the heater should start to work. This would verify the filter just needs to be cleaned.

If you need help with the filter please add a comment with the filter details.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. You may also contact me thru our website at www.arrowpools.net. Positive feedback is appreciated once your problem is solved!

John

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