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System Safeguard: Automatically interrupts system operation to prevent frozen coils and subsequent component failure
Simplified Installation: Standard Danfoss expansion valve parts design allows for direct replacement without removing the valve body from the line
the pilot burner assembly is typically ordered separately unless noted
For technicians servicing industrial unit heaters
Using OEM Williams replacement parts maintains the original equipment’s AHRI certification and combustion safety profiles
Belimo TFB120-SR Actuator 324846-701 System Safeguard: Automatically interrupts systemThe Belimo TFB120 SR is a professional grade spring return damper actuator designed for modulating control in robust HVAC systems. Engineered for high reliability fail safe operation, this 22 in lb torque actuator ensures positive close off on air tight dampers during power loss. Operating on a universal 100 to 240 VAC power supply, it accepts a 2 to 10 VDC modulating control signal (or 4 to 20 mA with a 500? resistor) to provide precise proportional