Pentair UOC 8-Auxiliary Replacement for EasyTouch | 520657 Poolife Water Balancer Clean Filter

Clean Filter

Top Housing (K5)

Easy installation and no maintenance

O‑ring and washers—so you don’t need to replace the full valve housing

Installing a fresh lower body assembly helps bring the cleaner back to proper operating condition and extends the usable life of the unit

Pentair UOC 8-Auxiliary Replacement for EasyTouch | 520657 Poolife Water Balancer Clean FilterPentair UOC 8 Auxiliary Replacement for EasyTouch 520657 The Pentair UOC 8 Auxiliary Replacement (520657) is designed to replace the 8 Auxiliary Output Control (UOC) on the EasyTouch control panel system. This replacement unit provides enhanced control capabilities for managing up to eight auxiliary devices, ideal for complex pool and spa systems requiring multiple operational functions. Easy to install, this UOC offers seamless integration with the