Technicians must use a dielectric union whenever joining a copper pipe to a galvanized steel or iron pipe to prevent the copper from causing the steel to corrode rapidly via galvanic action

Common Maintenance Questions How do I confirm if the N800-9422 is the correct replacement for my actuator

or a cracked ceramic insulator which causes the signal to short to ground

it monitors the furnace inducer motor performance

KMC Controls MCP-3631-8000 Actuator Els PW 17895 Technicians must use a dielectricThe KMC Controls MCP 3631 8000 is an industrial grade pneumatic rotary actuator designed for the precise control of VAV terminal units and small damper systems. Built for heavy duty HVACR environments, this model features a 3 8 PSI spring range and provides fixed power for consistent damper positioning. Its direct coupled design allows for an efficient transfer of torque, mounting directly onto 1 2 inch round shafts or 3 8 inch shafts with an adapter.