Question about Jandy Laars LX Pool Heater / 400,000 BTU / Natural Gas
With the system set on 104 the unit will only heat the spa to 72 degrees. There are no error codes on the system. What should I check?
The system has one temp but the heater temp should be turned all the way up outside on the unit as well
Posted on Jan 03, 2014
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Posted on Jan 02, 2017
SOURCE: I have a Jandy Lite
This sounds very much like spider webs in the gas orfaces. If you shut the power off and remove the wires to the gas valve then shut the gas down and remove the fed pipe from the gas valve you should be able to pull the burner tray out of the heater. Now if you remove the burners you should be able to remove the brass orfaces connected to the main gas feed pipe. If you use an air hose or a can of compressed air you can blow this out now. Now take the orfaces you removed and clean them with a tooth pick or a small piece of wire. The webs will look like small cotton balls or lint. They don't stop the gas they just slow it or disperse it and keep it from firing clean and evenly.
At this point you can reassemble the tray and install. This should fix your problem.
Posted on Nov 14, 2010
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