Belimo FSAFB24-SR-S Actuator 321042-401 engineered to maintain the exacting

engineered to maintain the exacting gas-to-air ratios required for clean combustion and optimal thermal output

The 3/4" inverted flare connection is specifically designed for retrofit applications

and the stainless steel internals ensure long-term durability against erosion and water hammer

Can this be used as a wall-mounted thermostat

Enhanced Thermal Performance: Restores the flame geometry to prevent localized overheating of the heat exchanger sections

Belimo FSAFB24-SR-S Actuator 321042-401 engineered to maintain the exactingThe Belimo FSAFB24 SR S is a high torque fire and smoke actuator designed for proportional modulation of UL555S rated dampers in commercial HVAC systems. Delivering 180 in lb of torque, this spring return actuator ensures reliable fail safe operation by automatically returning the damper to its safety position during power interruptions. It operates on a universal 24 VAC DC supply and accepts a 2 10VDC control signal, providing precise airflow