Question about Jandy Laars Lt 250,000 Btu Heater
The Laars LT heater will only heat the spa water to a luke warm temperature, no where near the 102 C preferred temperature. Backwashed filter to make sure that it was not a high pressure problem and still no performance to heat the spa water above luke warm.
Water temp governor on the water temp dial setting is set so that you should be able to heat spa to 105 C or so.
The water in my arctic spa hot tub took 2 weeks to get to 102 should it take that long ?
Posted on May 02, 2009
Sounds like it may be the thermostat on the heater. You are correct to check the filter first. if it is clean then it is probably the thermostat
Posted on Feb 26, 2009
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Posted on Jan 02, 2017
If the unit is lighting then shutting off then repeating it isn't rectifying, means not sensing the flame. May have a bad flame sensor or ignition control. I'm guessing your AGS is indicated on the GUI also.
Posted on Mar 07, 2010
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