Zodiac Jandy LRZM/LXi High Limit Plug (R0456800) mermade Part number 640-4347 helps confirm

Part number 640-4347 helps confirm the correct replacement

When a Pentair system needs a precise pump impellers replacement

or simply no longer dependable after years of heat and chemical exposure

Helps restore sealing behind the faceplate

The Waterco 1-1/2 inch 6-position Micron top mount multiport valve is designed for compatible filter systems that require a top-mounted valve capable of handling multiple operating modes

Zodiac Jandy LRZM/LXi High Limit Plug (R0456800) mermade Part number 640-4347 helps confirmReplace a damaged or missing high limit plug in compatible Zodiac Jandy LRZM and LXi heaters with this service part. The plug helps maintain the intended connection or closure point within the high limit safety circuit area, supporting a cleaner and more reliable repair. Heat, corrosion, and previous service work can leave small components like this compromised, creating avoidable troubleshooting issues. This part is useful when restoring the heater