Polaris 3900 Sport Chain Tensioner Kit | 39-120 Style_Pop-Up Head Collars Blue Square Q360 Valve Lid

Blue Square Q360 Valve Lid w/ O-Ring | 01130499

This part has been discontinued

Upgrade your in‑floor cleaning head and pair with a check of your in‑floor valve to ensure correct flow

420 sq ft filtration area reduces maintenance frequency

even when the pump is operating at modest speeds

Polaris 3900 Sport Chain Tensioner Kit | 39-120 Style_Pop-Up Head Collars Blue Square Q360 Valve LidPolaris 3900 Sport Chain Tensioner Kit (39 120) The chain tensioner kit was designed by Polaris for the 3900 Sport pressure side cleaner. It is made from the same high quality material as the original factory part. Making it a genuine OEM product. These parts were designed to aid in the maneuverability of the 3900 Sport and its purpose is to apply force or maintain tension for the chain. This is important because the chain is what rotates the wheel