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Question posted by pricerd on June 4th, 2021

P-m266a-en-x Pool Heater Water Switch Open Error Message.

how do I adjust/replace or reset the water pressure switch on the pool heater. The manual included with the heater offers no information.

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Answer #1: Posted by SonuKumar on June 5th, 2021 3:09 AM

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SonuKumar

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Usually, the Water sw open code is related to a flow problem, and may not be a fault with the heater. PLCUSTOMER: Right, I know there is some kind of regulator, for lack of a better word, and not sure if that is related to this, but I had problems with it on my last heater and the pool people removed it.

https://www.justanswer.com/pool-and-spa/8jb2v-raypak-pool-heater-model-c-r266a-en-x-010199.html

https://www.youtube.com/watch?v=uGUJHoiAAL0

https://www.youtube.com/watch?v=y0LsN4aBFsI

https://www.rheem.com/products/pool_spa/residential-pool-spa-heaters/

Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.

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Related Rheem P-M266 Manual Pages

Brochure - Page 2

... Light Off The soft-opening gas valve ensures smooth turn-on the market today. Easily removable burner tray and pilot assembly make service and maintenance a simple task. Rheem engineered the Unitherm Governor specifically for pool and spa heater applications, regulating low temperature incoming water to use a spark-to stifle ordinary pool and spa heaters. Self-Diagnostic Sp...

Brochure - Page 3

...pressure that is a cost-effective way to protect against aggressive water...offers an optional power vent feature. The D-2 Power Vent is also dual-voltage capable (120/240 volt) and engineered for you are capable of bad water...manual for pool and spa heater heat exchangers, where the water chemistry is more resistant to erosion, thanks to maintain the pool or spa water...supplied adjustable 90...

Warranty - Page 1

... with a pool or spa by the manufacturer. 10. performance problems caused by improper sizing of the HEATER. use of Rheem Manufacturing Company (Raypak) warrants to , freeze-ups, operating the heater with the manufacturer's instructions; 6. a wholly owned subsidiary of any attachment, including any shipping costs to and from the installation site. The repair or replacement will be...

Warranty - Page 2

...SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING NO LIABILITY FOR DAMAGE FROM WATER LEAKAGE) WHICH ARE EXPRESSLY EXCLUDED. We suggest you . KEEP IT WITH YOUR POOL HEATER OR BUSINESS RECORDS. Raypak reserves ... for the warranty to you immediately record the model and serial number and date of Your Pool Heater RAYPAK, INC., 2151 Eastman Avenue, Oxnard, CA 93030 • (805) 278-5300 ...