Lochinvar & A.O. Smith 100111923 Relief Valve 321894-709 Serviceability: Actuators can be replaced

Serviceability: Actuators can be replaced or serviced without draining the system or removing the valve body from the piping

providing the necessary current to power contactors

Standard Pressure Range: Seamlessly integrates with standard 3-15 psi pneumatic controllers and receivers

Built with durable housing and integrated mounting brackets

the internal sensing tube provides accurate pressure control

Lochinvar & A.O. Smith 100111923 Relief Valve 321894-709 Serviceability: Actuators can be replacedThe Lochinvar & A. O. Smith 100111923 is an industrial grade pressure relief valve engineered for high output hydronic heating and potable water systems. Featuring a large 1 1 4 inch NPT connection, this valve is designed to manage thermal expansion and prevent over pressurization in large scale boilers and water heaters. It is factory set to a 50 PSI discharge threshold with a high flow 2,490,000 BTU hr capacity, ensuring it can handle the rapid