WATTS® Pressure Relief Valve, Calibrated, Series: LF530, 1/2 in Nominal, MNPT x FNPT, 50 to 175 psi, Brass Body, Buna-N® Disc, 1-5/8 in W x 3 in H, Domestic
Series LF530C Lead Free* Calibrated Pressure Relief Valves are used in commercial, residential and industrial applications to protect against excessive pressure in systems containing water, oil, or air. It consists of a Lead Free* brass body construction