Question about Jandy Laars LX Pool Heater / 400,000 BTU / Natural Gas

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Where is the pressure switch located so i can replace it. lost my manual

Pool heater Laars lx model . Won't heat pool,says it is the pressure switch. I can't find manual on where the switch is located so I can replace it. Do you know where it is located?

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Open the lower front door, then up on underside of panel are two screws/hex head. Unscrew these two screws and the upper panel will slide down, may need a gentle nudge. Near the middle left your will recognize your pressure switch.....

Posted on May 20, 2009

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The screen on the heater says service AGS. The heater will not work.


check to see if pressure switch is working should have 24 volts ac on both sides make sure firemans switch is closed aqualink calling for heat and correct gas pressure

Sep 15, 2015 | Jandy Laars LX Pool Heater / 400,000 BTU /...

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Laars LX400 Manual Download


Laars LX400 Installation & Operation Manual

Models: LX250NL / LX250PL / LX400NL / LX400PL
Models: LT250NL / LT250P / LT400NL / LT400P

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Have you lost your Users Manual / Owner's Guide for your Laars LX400 Pool Heater?

Would you like a digital copy of the Installation / Operation Manual for easy searching of terms and quick reference?

Click here to download your pdf version of the Laars LX400 Pool Heater guide.

I hope that helps.

on Apr 19, 2010 | Jandy Laars LX Pool Heater / 400,000 BTU /...

Tip

Laars LT400 Manual Download


Laars LT400 Installation & Operation Manual

Models: LX250NL / LX250PL / LX400NL / LX400PL
Models: LT250NL / LT250P / LT400NL / LT400P

6285776.jpg

753f03e.jpg

Have you lost your Users Manual / Owner's Guide for your Laars LT400 Pool Heater?

Would you like a digital copy of the Installation / Operation Manual for easy searching of terms and quick reference?

Click here to download your pdf version of the Laars LT400 Pool Heater guide.

I hope that helps.

on Apr 19, 2010 | Jandy Laars LX Pool Heater / 400,000 BTU /...

1 Answer

How do you replace a pool heater pressure sensor?


check pressure switch to see if voltage both sides if not see if copper tube is plugged make sure filters are clean

Sep 22, 2012 | Jandy Laars LX Pool Heater / 400,000 BTU /...

1 Answer

I have a laars lx 250000 btu pool heater that keeps going off on the water flow switch. When the pool was opened this year they said that they had changed the filters and backwashed the system. Would it be...


Check the Filters and Skimmer FIRST even though they said they backwashed and checked the system. I am not sure how you determined it is the water pressure switch? If you do have sufficent flow of water in and out of the heater, the pressure switch could need replaced or the small copper feed line from the heat exchanger to the pressure switch could be obstructed. You really need a Heater Tech that can check the pressure switch for proper functioning and any obstructions in the feeder line, Normally you will find the Skimmer and or Filters are the cause of low water pressure.

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1 Answer

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where is the high temp limit switch located on my laars 44000 pool heater

Jun 02, 2010 | Jandy Laars LX Pool Heater / 400,000 BTU /...

2 Answers

Laars LX400P pool heater Hi Limit Switch light is on? ???Fix?


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May 31, 2009 | Teledyne Laars Laars Lx Pool Heater /...

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