WW0556036, Watts, 3/4 In Lead Free Brass Calibrated Poppet Type Pressure Relief Valve, 1/2 In Outlet, Adjustable 50-175 psi

This 3/4 inch lead free calibrated pressure relief valve is designed for use only as protection from the build up of excessive pressure in systems containing water, oil or air. It features a lead free brass body with 3/4 inch NPT male inlet and 1/2 inch NPT female (drain) outlet, stainless steel spring, lead free brass bonnet and a Buna-N disc and O-ring. The pressure relief spring adjustable range is 100 to 300 psi (6.9 to 20.7 bar).