Aquatrol 130Ca1m1k1-50 Safety Relief Valve, 1/2 In, 50 Psi, Brass
79 lb/hr, Disc Material Bronze, Overall Height 3 1/4 in, Overall Length 3 1/4 in, Seat Material Bronze, Spring Material Stainless Steel, Temp. Light Industrial. & Recepticles. Electrical Outlets. and Enclosures.