Zodiac Jandy LRZE/LRZM/LXi Bypass Spring (R0453900)

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Support proper bypass movement in compatible LRZE, LRZM, and LXi heaters with this replacement bypass spring. This spring works inside the heater’s water bypass system, helping the assembly respond as flow conditions change. A weakened or corroded spring may contribute to poor bypass response, reduced heating consistency, or added stress on related heater parts. This replacement is a practical service component when rebuilding the bypass assembly or addressing flow-related heater symptoms. Confirm fitment and inspect the O-rings, bypass body, and header area during repair. Before ordering, compare the listed part number with the heater's service diagram and the existing component location so the repair stays accurate and installation time is kept under control. Show more