Laars (Jandy) heater problem


New member
Apr 3, 2010
I have a Laars LX/LT, LX400L heater. It has been working good lately. The other day I tried to to the heat the pool a little. The console said that my water temp. was over 100 degrees (F). The water only felt like it was low 80's. When I turned on the heater it wouldn't fire up cause it thinks the water is way above the temp I want. Is there anyway to adjust the temperature of the water on the heater? Is something broken that I need to replace. I'm not to bad at trouble shooting, but I'm at a stand still. Anyone have any ideas. Thank you.


Sounds like you have a bad temp sensor. They are easy to replace though, so it is not a real big deal.
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