Watts 0121557 2" Pressure Relief Valve 6,450,000 BTU 60 PSI LF174A

The Watts 0121557 2” Pressure Relief Valve is a safety valve that is used in protecting HVAC systems against pressure build up. This valve has a rating of 6,450,000 BTU and is designed for a pressure range of 50 to 150 PSI; it automatically opens to discharge pressure that is harmful to the system. Made from lead-free copper silicon alloy, it is designed to have long service time. The 2” FNPT connection makes it easy to connect it to different HVAC systems.