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ZN400C-3NH
integral gravel stop
ZN415-SZ1-4NH
LFB6010 or LFB6400 Series ball valve
dual weepholes for double drainage performance
Watts 53L-Z2-030 1/2 - Part of the 53L Series mainline-siltfence ZN400C-3NHThis 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).
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