Engineered for industrial reliability

Direct Factory Replacement: Simplifies the repair process by utilizing existing wiring harnesses and mounting points

These markings confirm it meets the boiler safety equipment requirements found in most North American mechanical codes for high-pressure hydronic systems

Technicians should use a 1-inch "thin-wall" hex socket wrench to avoid damaging the regulator body during removal or installation

Common Questions Is this kit compatible with standard refrigerants like R-410A or R-134a

Schneider Electric (Barber Colman) MP-454 Proportional Actuator R-410A Engineered for industrial reliabilityThe Schneider Electric (Barber Colman) MP 454 Proportional Actuator is a robust non spring return actuator designed for reliable control of dampers, valves, and specialized terminal units. Operating on 120V AC, this high torque motor provides 220 lb in torque, ensuring consistent positioning for heavy duty HVAC automation solutions. It features a field adjustable 40 400 second timing range (no load) and a full 90 degree rotation for precise