Belimo KH-AF-1 Crankarm use an ohmmeter to check

use an ohmmeter to check for continuity across the terminals at room temperature

For technicians managing older thermostatic radiator valve (TRV) installations

Designed for compatibility with EHA and similar oil burner series

reducing truck-roll delays

ensuring maximum surface contact and efficient power transmission

Belimo KH-AF-1 Crankarm use an ohmmeter to checkThe Belimo KH AF 1 Crankarm is a heavy duty actuator accessory designed for direct mounting onto jackshafts up to 1. 05 inches in diameter. Engineered for precise mechanical linkage in HVAC damper control systems, this crankarm is essential for commercial air handling units where standard direct coupling is not an option. It is specifically compatible with Belimo AF and NF series spring return actuators, ensuring a secure transfer of torque to the