Watts 53L-150 1/2 - Part of the 53L Series R304 Detectable Warning Surfaces the Z100 offers unmatched versatility

the Z100 offers unmatched versatility for today’s roofing projects

ZB199-NB-2NL

screws or metal bands (not included)

multiple outlet sizes available

Z668-6IG-VP

Watts 53L-150 1/2 - Part of the 53L Series R304 Detectable Warning Surfaces the Z100 offers unmatched versatilityThis 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 150 psi (10. 3 bar).