Pentair High Limit Switch Replacement | 474367Z Laing and ease of use—so you

and ease of use—so you can enjoy a safer pool environment and more peace of mind

Expandable Lighting Control: Compatible with PCR-4

Need to fix a Raypak heater with confirmed high pressure switch failure

ensuring you install the correct valve the first time

Genuine Hayward components ensure proper internal alignment and function

Pentair High Limit Switch Replacement | 474367Z Laing and ease of use—so youWhat This Part Is Used For Pentair 474367Z High Limit Switch Replacement is a replacement temperature safety switch for compatible Pentair pool and spa heaters. It monitors internal temperature conditions and helps protect the heater from overheating. Why This Part Matters A tripped or failed high limit switch can shut the heater down and prevent normal operation. Replacing it restores proper safety monitoring and reliable heating. It also helps