Repeated exposure to extreme heat and moisture can lead to metal fatigue or corrosion

Correct orifice sizing is critical for achieving the proper air-to-fuel ratio and preventing issues like delayed ignition or soot buildup

Integrated S1/S1 terminals allow for direct connection of outdoor temperature sensors or indoor freeze protection

Direct OEM Replacement: replaces part numbers 1185810 and 1177187 without the need for field modifications

Belimo AFBUP-X1 Actuator 319848-301 Repeated exposure to extreme heatThe Belimo AFBUP X1 is a high torque On Off spring return actuator engineered for rigorous mechanical specifications in industrial and commercial HVAC systems. This fail safe actuator delivers a robust 180 in lb torque, providing reliable control for large dampers and valve assemblies. Designed with a universal power supply, it operates across a wide voltage range of 24 240V AC or 24 125V DC, simplifying field installation by removing the need for