Blue Square Q360 Pop Up Head Collar (Black) | 011400BK Retro Fit Internals The Union Wrench is used

The Union Wrench is used to loosen the 1

and shim—to restore optimal function and prevent premature wear

Enhances water circulation and heating efficiency

Ensure compatibility with your existing LeafVac system

Durable pool‑grade plastic construction designed for in‑floor cleaning systems

Blue Square Q360 Pop Up Head Collar (Black) | 011400BK Retro Fit Internals The Union Wrench is usedThe Blue Square Concrete Collar is engineered with space age material designed to last longer than the competitors and is even saltwater friendly! The collar features a ridged plaster ring to guarantee a water tight seal once installed inside an 18" Schedule 40 Riser Pipe. Unlike other manufacturers, the riser pipe is NOT required to be reamed out to install the collar. The tapered design fits directly inside the 2" pipe. Innovative locking tabs