The genuine Jandy Bypass Assembly R0453700 is a vital hydraulic regulation component designed to keep Jandy LXi pool and spa heaters running safely and efficiently. This assembly governs the internal water pathway, directing proper flow volume across the heat exchanger while shielding the unit from dangerous pressure spikes and thermal overload. Shipped complete with the bypass valve, sealing O-rings, and locking ring, it provides everything needed for a thorough installation. As an authentic Jandy replacement part, it meets strict factory performance standards and helps extend the service life of your heater through reliable flow management.

Key Benefits

• Governs Heat Exchanger Water Flow: Directs circulation through the exchanger at the correct rate, enabling efficient heat transfer and preventing dangerous pressure buildup
• Ships with Full Hardware Set: Includes O-rings, locking ring, and bypass valve, providing a turnkey solution for complete assembly replacement
• Precision-Matched to LXi Heaters: Fits all Jandy LXi heater configurations, restoring original factory flow characteristics without adaptation
• Factory-Tested for Extreme Conditions: Constructed from premium materials validated to perform under sustained high temperatures and elevated water pressure
• Revives Proper Heater Function: Swapping out a worn or failed bypass assembly restores balanced heat distribution and dependable system output

What's Included

• Bypass
• O-Ring
• Locking Nut

Compatibility

• Jandy LXI Heater Models: LXI250N, LXI250NN, LXI400N, LXI400NN, LXI250NC, LXI250NS, LXI400NC, LXI400NS Natural and LXI250P, LXI250PN, LXI400P, LXI400PN, LXI250PC, LXI250PS, LXI400PC, LXI400PS

Specifications

• Brand: Jandy
• Part Number: R0453700

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