Jacuzzi AV/SEP/SherLok Lock Ring (42-3671-02-R) lighting and extend the service life

and extend the service life of surrounding filter components

Supports clear temperature and feature control

giving owners a properly matched replacement when the original heater has begun to fail

Useful when original spa lights are dim

Jacuzzi AV/SEP/SherLok Lock Ring (42-3671-02-R) lighting and extend the service lifeA lock ring helps hold the filter assembly together securely while still allowing service access when needed, and this Jacuzzi AV, SEP, and SherLok Lock Ring is designed for compatible applications where the original ring has cracked, worn, or become unreliable. When the main securing ring begins to fail, the whole filter assembly can feel less secure and less confidence inspiring than it should. The AV, SEP, and SherLok compatibility give this lock