Compatibility: The G52 Backup Valve Replacement Kit fits Zodiac Polaris Pool Cleaner models 180, 280, 380, 480 PRO, and 3900 Sport, including Vac-Sweep 380, Vac-Sweep 280, and 280 TankTrax.

Material Upgrade: Features a new shell made from crack-resistant polymer blend for increased durability and a lifespan twice that of previous versions.

Common Issues and Fixes: Addresses issues such as the valve sticking in reverse, continuous water discharge, and non-operation. If these occur, check and adjust the G53 gear if displaced.

G53 Gear Mechanism: Made from durable POM material capable of operating under high water pressure. Excessive sand can block the gear, requiring cleaning to maintain functionality.

Pressure Adaptation Improvements: Enhancements have been made to better handle excessive local water pressures, preventing issues like continuous water spray and floating of the cleaner.