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This rear jacket panel replaces the back exterior housing section on the Raypak JHN266 heater
Shut down and drain heater before performing replacement
Confirm lift model and battery specifications before replacement
Whether you are refreshing an older unit or customizing a new installation
Hayward Water Pressure Switch Assembly | HAXPSA1930 La-Co Industries This rear jacket panel replacesWhat This Part Is Used For The Hayward HAXPSA1930 Water Pressure Switch Assembly monitors water flow through the heater and allows ignition only when proper circulation is present. It helps prevent the heater from firing when there is insufficient flow. Why This Part Matters A failed pressure switch can cause nuisance shutdowns or prevent the heater from starting at all. It also plays a safety role by stopping operation during low flow conditions
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