Designed as a normally closed gas valve

the contacts will close to energize the cooling circuit

As a veteran-grade furnace exhaust transition

this furnace safety switch prevents hazardous flue gas buildup by monitoring critical venting pressure

Universal Voltage Compatibility: Field-ready for 120

Belimo AFB24-SR-S Motor Actuator Els PW 29614 Designed as a normally closedThe Belimo AFB24 SR S is a high torque spring return actuator designed for fail safe applications in HVAC damper control and valve automation. Delivering 180 in lb of torque, this 24V proportional actuator operates on a 2 10VDC control signal, providing precise modulation for large air handlers and demanding ventilation sequences. Engineered for reliability in commercial HVAC systems, it features dual internal auxiliary switches for position signaling