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This Hayward 10-pack is intended for compatible S310S
the motor is often the source of the issue
A hi-limit sensor is useful because it helps the system detect unsafe temperature conditions and plays an important role in protective control behavior
using the proper extension cable helps reduce troubleshooting
Zodiac Jandy LRZE/LRZM Sensor Retainer Nut (R0523900) fwenterprises This Hayward 10-pack is intendedKeep sensor placement secure in compatible Zodiac Jandy LRZE and LRZM heaters with this replacement sensor retainer nut. A properly retained sensor helps support accurate monitoring and dependable heater operation by holding the sensing component in the intended position. If the original nut is stripped, corroded, cracked, or lost during service, replacement helps ensure a clean reassembly. This is a small but important repair part for heater
