I don t know naybting about hayward heater but raypak are incredibly easy to tear apart and reassemble.
Raypak pool heater pressure switch location.
The time clock should be of the dual switch type and set to shut off the call for heat to the pool heater chauffe piscine 15 to 20 minutes prior to shut ting down the pool pump.
I guess i got lucky by replace the pressure switch first cause everything if working like a charm.
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If you re a diyer and semi handy don t get ripped off from a pool boy trying to sell you a new heater.
View online or download raypak 406a installation operating instructions manual installation and operation manual replacement instructions manual.
Raypak 406a pdf user manuals.
Attach the wire from the air switch to the p 10 location shown in fig.