AVSC SS 316 Stainless Screws w/ Tool (10-Pack) – Pentair In-Floor | 295314 Cyclone Use this tool during base

Use this tool during base installation to hold pipes in perfect alignment so the Paramount water valve seats and seals correctly

It also gives it the ability to move up and down which actually helps the SandShark move along the surface of the pool

it could be related to this part and the opening on its bottom side where the high-pressure water is shot through

you can start by checking the cleaner's Trax

Polaris 3900 Sport / "Trade Grade" TR35P and Quattro Sport Pressure Cleaner In-line Filter Assy

AVSC SS 316 Stainless Screws w/ Tool (10-Pack) – Pentair In-Floor | 295314 Cyclone Use this tool during baseAVSC SS 316 Stainless Screws w Tool (10 Pack) Pentair In Floor Replacement AVSC SS 316 stainless steel screw set with driver tool for Pentair In Floor systems. Corrosion resistant hardware. Features 316 stainless steel for superior corrosion resistance Set of 10 screws for complete component replacement Includes matching driver tool for proper installation Description This AVSC SS 316 screw kit is designed for easy servicing of Pentair In Floor (A&A)