Watts 53L-125 1/2 - Part of the 53L Series Woven Fabric and the isolation nipple helps

and the isolation nipple helps decouple slab motion from the drainage path

ZN192-4XB-4NH

This Watts Drains adjustable

This easy replacement feature makes the units popular with municipalities and commercial businesses

ZM415SC-2IC

Watts 53L-125 1/2 - Part of the 53L Series Woven Fabric and the isolation nipple helpsThis 1 2 inch pressure relief valve is used in residential applications to protect against excessive pressure on tankless water heaters and domestic storage tanks. It consists of a bronze body construction with 1 2 inch NPT threaded male inlet and 1 2 inch NPT threaded female (drain) outlet connections, test lever and stainless steel spring. It is ANSI Z21. 22 approved, listed and certified by CSA. The pressure relief is set at 125 psi (8. 6 bar).