Zodiac Jandy LRZE/LRZM/LXi Bypass Spring (R0453900) onoffvalves It is best used as

It is best used as part of professional heater diagnostics and repair

This type of part is especially useful when future removal or inspection matters in the plumbing layout

Provides a complete drain-cover and frame replacement

A filter cartridge helps remove suspended debris during normal water circulation

Zodiac Jandy LRZE/LRZM/LXi Bypass Spring (R0453900) onoffvalves It is best used asSupport proper bypass movement in compatible LRZE, LRZM, and LXi heaters with this replacement bypass spring. This spring works inside the heaters 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