this actuator crank arm is specifically designed to interface with damper shafts up to 1/2" in diameter

What boilers are compatible with the Burnham 111644-01 ignitor

and 4DC series units

Direct OEM Compatibility: Verified drop-in replacement for legacy part number S1-373-19831-001

BASO C107U-1C Ignition Els PW 17895 this actuator crank arm isThe Baso C107U 1C Universal Direct Spark Ignition (DSI) control is a field proven electronic ignition module designed for commercial cooking equipment, space heaters, and industrial ovens. This microprocessor based ignition control manages the spark ignition, flame sensing, and gas valve sequencing to ensure precise burner operation. Engineered for versatility, it operates on 24VAC systems and features a single rod flame sensing configuration. The