1/2 in. (12.7 mm) Pressure Relief Valve NPT discharges excess water or air pressure from water-based systems. Designed for use in residential and gridded sprinkler systems, these valves activate at a predetermined pressure of 175 PSI for ease of installation and peace of mind.
Each 1/2 in. (12.7 mm) Pressure Relief Valve features a corrosion-resistant stainless steel spring controlling valve activation and a durable cast-brass body.