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 the original cord becomes damaged or too short

and control-panel service

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

Replacing the valve with the correct 2 inch FPT version helps avoid unnecessary installation compromises and supports a more straightforward service process

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