Jandy LXi Heater Hot Surface Ignitor R0457500
Used on the following Jandy heaters:
- LXi Low NOx 250
- LXi Low NOx 300
- LXi Low NOx 400
The images below give instructions for replacing the Igniter, Flame Sensor, burner, and Gas Manifold Assembly in all Jandy LXi model pool/spa heaters.
The instructions must be followed exactly.
These instructions were written with safety as the priority.
Not following the written procedure or taking short cuts may increase the risk of personal injury.
Read through the instructions completely before starting the procedure
(click images to enlarge them).
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WARNING: Product(s) shown and sold in the website and in store can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 
Nathan F.
Nice job!