as an OEM ICP replacement

The Belimo AMB24-SR is a high-torque rotary actuator designed for precise control of ball valves and dampers in demanding HVACR applications

it will automatically break the circuit to prevent short cycling or dangerous exhaust buildup

Physical inspection may show sensor tip erosion or mineral buildup

While horsepower may match

Tekmar Controls 153 Control R-407C as an OEM ICP replacementThe Tekmar Controls 153 Control is a versatile, microprocessor based mixing setpoint control designed for precise floating action output. Engineered to drive actuating motors for valves or dampers, this unit maintains a constant supply water or air temperature across a broad range from 40 to 239F. For hydronic heating professionals, the 153 is a standard for implementing boiler return protection when paired with an optional return sensor, effectively