Belimo TFB120 Actuator Freon ASME Section IV Certified: Meets

ASME Section IV Certified: Meets strict ASME safety relief valve standards for hot water heating boilers

Automatic Reset: The internal SPST-NO mechanism automatically restores circuit continuity once pressure rises above 20 PSI

tubing and comes standard with a mounting strap and adhesive-backed base for surface or socket-mounted applications

Common Questions: What is the micron rating for the Lennox 69018

Direct OEM Fitment: Eliminates mounting modifications in York and Coleman furnaces

Belimo TFB120 Actuator Freon ASME Section IV Certified: MeetsThe Belimo TFB120 Actuator is a high performance spring return damper actuator designed for reliable on off control in commercial HVAC systems. Operating on a universal 120Vac (100 240V) power supply, this 22 in lb torque motor provides consistent fail safe positioning, ensuring dampers return to a safe state during power loss. Engineered for direct coupled mounting, it handles shafts from 1 4" to 1 2" with its universal clamp, eliminating the need