Watts 0190128 Pressure Regulating Valve, 1/2 in Connection

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 in NPT threaded male inlet and 1/2 in 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). Test lever included.