Why does my relief valve continue to drip after a discharge

80 PSI pressure relief protection for boiler and hydronic systems

What are the specific electrical terminal sizes

This valve is rated specifically for 3-ton (36

Whether you are configuring logical AND/OR control circuits or isolating sensitive BAS controllers from high-voltage field devices

Belimo EFB120-S Actuator 320788-703 Why does my relief valveThe Belimo EFB120 S Actuator is a heavy duty spring return damper actuator designed for reliable fail safe operation in high torque HVAC applications. Delivering 270 in lb (30 Nm) of torque, this 120Vac unit provides consistent performance for large control dampers where positive close off is critical. The "S" model includes two integrated auxiliary switches (SPDT) for end position signaling or fan interlocking, increasing system automation accuracy.