Tip & How-To about Pool & Spa

Fix / Repair Lay Z Spa Heater

1) Opening the shell and identifying the heater unit (its at the end of the metal pipe) You will have to unscrew the circuit board and metal pipe to access the unit.
2) In the heater unit there are live (x2) neutral and earth wires.
3) The first live wire you need to identify is the one coming from the mains. It will be going into a water flow switch covered by a white cap. The wire is only clipped in, so pull on it with some force to remove it.
4) Next you should remove the other brown wire from the clips, so that you have a small section of brown live wire no longer attached to the clips. This piece of wire is no longer needed, but keep it in a safe place for if you need to reverse the process if this does not work (it should)
5) Now attach the original brown live wire that came from the mains into the clip which you just removed the small brown wire from. (not the part that was going into the white cap)
6) This should bypass the water flow switch and should allow the filament to heat. 7) Then reassemble the pod the way you disassembled it and the water should now heat up when attached to the spa.

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I have Rheem model 41V50 leaking from the top...The top is a lid with screw....can I buy and replace the top ?

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Safety is you number one priority here. ( its not dangerous but its always good to be cautious)

Switch the furnaces power off from the power point to stop the heater firing up again.

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The one with the bent or right angle probe is the igniter.

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