Use the manual test lever located beneath the cover

ensuring drop-in installation on Hydrotherm Series 8H units

Always verify the part number on the existing valve body before installation

ensure your pneumatic lines are equipped with proper filtration and refrigerated dryers

Belimo LF24-SR-S Actuator Motor 30067439-890 Use the manual test leverThe Belimo LF24 SR S is a high torque spring return actuator designed for fail safe operation in light commercial HVAC dampers and centrifugal valves. Delivering 35 in lb (4 Nm) of torque, this motor operates on a 2 10VDC proportional control signal, making it ideal for air handling units (AHUs) and VAV terminal deployments requiring precise modulation. Engineered for integration with 24VAC or 24VDC power supplies, the unit features a built in SPDT