Safety Critical: Ensures proper draft to activate the furnace pressure switch and prevent hazardous CO buildup

Why does my relief valve continue to drip after a discharge

ensuring seamless mechanical and electrical retrofitting in existing racks

This valve is rated specifically for 3-ton (36

Zero Minimum Pressure: Capable of operating effectively from 0 PSI up to 125 PSI

Belimo EFB120-S Actuator 320788-703 Safety Critical: Ensures proper draftThe 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.