Question about Solar Rheem Gas Fired Pool & Spa Heater Model P-m266a-en-c

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Rheum pool heater code sw door open - Solar Rheem Gas Fired Pool & Spa Heater Model P-m266a-en-c

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Possible pressure switch and door switch

Posted on Sep 03, 2017


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I have a code that says Water Sw Open...Just turned on the gas line from the winter going to start the heater and see this message.

ahh its a pool heater .
cant find a user manual for it
if not sure dont light it up ..till you know its safe

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What could becausing my raypak model 406A natural gas pool heater is not working states roll out sw open

replace fusible link but see why it overheated wind or not enough gas pressure

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Why does my Raypack 156ENC pool heater have error code Rollout SW open?

Either keep replacing the switch or find out what is causing the switch to fail. The "plumber friend" should know.

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What is Raypack Pool Heater Code Vent Field Sw#1

fusible link open replace but check gas pressure if ok see if you need vent stack

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How do i correct a "high limit switch circuit is open" code

check the fusable link for voltage on both sides if not replace also check pressure switch

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Water sw open

This shows insufficient water flow through heater, does the water flow look normal at pool or in pump lid? If so it is probably a clog or faulty pressure switch. If not the problem is not the heater.

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1 Answer

Hayward pool heater H100ID keeps blowing GFI

First, I don't see any heaters in my parts wired thru a GFCI. Why did you resolder inputs on board. Usually, those are not repairs that are acceptable. If the pins have shorted, then you need to replace the board. Could be a problem with the ignitor, but this might be one that you will need to call a pro in for. Did you install the heater yourself???

May 19, 2010 | Hayward 100,000 BTU Pool Heater H100ID1 -...

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