For veteran technicians servicing high-output commercial boilers and water heaters

It is compatible with a wide range of model series

or reduced heating capacity

this part represents the standard in "cut-and-dry" safety switch replacement

Belimo EFB120-S N4 Actuator Refrigerant For veteran technicians servicing high-outputThe Belimo EFB120 S N4 is a heavy duty spring return actuator designed for on off control in demanding HVAC and industrial environments. This unit delivers 270 in lb of torque, providing reliable fail safe operation for large dampers and valve assemblies during power loss. Integrated with a NEMA 4 (IP66) enclosure, it is engineered to withstand harsh outdoor conditions, preventing moisture ingress and corrosion. Operating on a 120V AC power supply, it