The Mainline PA 4-CASS01 is a four-inch backwater check valve cassette designed to prevent backflow in various systems. This valve is made from durable ABS material, ensuring longevity and reliability. Weighing one pound, this product is suitable for plumbers and HVAC professionals needing an effective backflow preventer accessory.
Four-inch ABS backwater check valve cassette
Designed specifically to prevent backflow
Durable construction for long-lasting use
Product Highlights
Efficiently prevents backflow in plumbing systems.