6 x 4" Grooved Mechanical Tee (Threaded Outlet) Air This coupling is designed for

This coupling is designed for standard 5" Schedule 40 steel pipe with a 5

The RE160iN is a non-condensing tankless water heater requiring stainless steel venting

Extended sweep radius for improved drainage flow

Homes with 1–3 bathrooms

6 x 4" Grooved Mechanical Tee (Threaded Outlet) Air This coupling is designed for6 x 4" Grooved Mechanical Tee (Threaded Outlet) This 6 x 4" grooved mechanical tee (threaded outlet) is designed for fire protection and mechanical piping systems. Built from durable ductile iron, it provides reliable performance and long term durability in demanding commercial and industrial applications. Designed for grooved piping systems Heavy duty construction Reliable sealing performance Contractor grade quality