Question about Teledyne Laars Laars Lite 2 Pool Heater 325,000 Btu / Natural Gas

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MY LAARS LITE 2 wont light, the pilot is on, the temporature controls and the presure switch have been replaced...the pool guy is suggesting it could be the gas valve? Thoughts

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Often if the pressure switch is open it is because of something keeping the pressuer low rather than a problem with the switch itself. If you take a small wire and bridge the pressure switch and other components in the system. If the heater fires when one of these are bridged that is where your problem. Two wires come from your gas valve and go to the pilot and another two are the safty circut. This is where you will find the components I am talking about. A small black rubber tube covers a place in the wire just above the burners and the pressure switch are the two big trouble spots.
If the black tube is shrunk around the wire then you have had a roll out problem with your flame. If it is your Pressure switch then it could be a dirty filter or a dirty basket. Or it could be a water flow problem and you will have to make all your valves are set to have water run through heater. I hope this helps.

Posted on May 07, 2010

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