Durable ball bearing construction minimizes vibrational noise and mechanical wear

Key Benefits Multi-Stage Coordination: Supports 2 or 4 stage heating and cooling cycles for precise indoor climate management

Measure the DC voltage across terminals 1 and 2

this differential pressure switch maintains operational stability in demanding environments

You can clear the fault by cycling the thermostat or removing 120VAC power for at least five seconds

Multi Products 2659D-S Actuator THPU32HP7Y Durable ball bearing construction minimizesThe Multi Products 2659D S Actuator is a heavy duty 120V square shaft actuator designed for precise damper control and ventilation automation in commercial and industrial HVACR environments. Engineered as the direct replacement for 2257, this unit features a unique square shaft with 4 flats, ensuring a slip free mechanical connection and stable mounting for high torque applications. Built with a zinc die cast housing and a robust metal geartrain, the