Watts 3/4 in. MNPT Brass Calibrated Pressure Relief Valve 3/4 in. FNPT 1 pc

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.