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Always refer to the nameplate wiring diagram to ensure correct rotation and phase balance
Efficient Dual-Speed Control: Enables variable airflow to match system load requirements and reduce electrical consumption
providing the high-torque performance necessary for demanding outdoor environments
current PopTop actuators are designed for the VT/VS series bodies and do not fit the legacy Erie Classic valve assemblies without an adapter or total valve replacement
providing the necessary rigidity to handle high RPM operations without deformation
McDonnell & Miller 93-7B-HD Pump Controller R-410A Always refer to the nameplateThe McDonnell & Miller 93 7B HD (Part Number 163200) is a high performance head mechanism only designed for direct replacement in Series 93 and 193 boiler water level controls. This heavy duty unit integrates a low water cut off and pump controller, specifically engineered for industrial and commercial steam boilers. Featuring a No. 7B potentiometer switch, it provides a 135 ohm proportional signal for modulating feed water valves, ensuring precise