Zodiac Polaris VRX iQ+ Sensor Block Assy (R0863300) jets A gasket like this is

A gasket like this is useful because it helps restore the seal at the union collar while matching the earlier version of the assembly

The Blue-White glass flow indicator is designed for compatible chemical-feed applications where visible confirmation of flow is needed

Weir doors are practical replacement parts when the original door has warped

Verify color

The Raypak thermal cut-off fuse kit is designed for compatible 55A

Zodiac Polaris VRX iQ+ Sensor Block Assy (R0863300) jets A gasket like this isZodiac Polaris VRX iQ+ Sensor Block Assy helps restore a specific function within compatible VRX iQ+ equipment without turning a targeted repair into a full assembly replacement. It supports Polaris VRX iQ and VRX iQ+ robotic cleaner service by replacing a specific wear, support, sensor, storage, or intake component. Use it when the cleaner has worn rollers, damaged support pieces, a cracked caddy component, intake issues, or sensor related behavior