Watts 53L-Z2-030 1/2 - Part of the 53L Series mainline-siltfence ZN451B-2NH-B-CL
Baker’s notes & crumb story
Description
ZN451B-2NH-B-CL
Elastomer seat
paved zones
Product Codes: Z1901-2NH
Watts 53L-Z2-030 1/2 - Part of the 53L Series mainline-siltfence ZN451B-2NH-B-CLThis 1 2 inch pressure relief valve is used in residential applications to protect against excessive pressure on domestic storage tanks and tankless water heaters. 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 30 psi (2. 1 bar).