McDonnell & Miller 93-7B-HD Pump Controller R-410A High Amperage Capacity: Rated for

High Amperage Capacity: Rated for 25A at 120VAC and 22A at 240VAC

Efficient Dual-Speed Control: Enables variable airflow to match system load requirements and reduce electrical consumption

This HVAC blower wheel replacement provides the exact geometry needed for high-efficiency heat exchange and consistent airflow across the evaporator or heat exchanger

the Raypak 004818B provides high-reliability flame rectification sensing

The precision-fit 5/16 stem kit components are built to handle the thermal cycles and pressure variants common in commercial mechanical rooms

McDonnell & Miller 93-7B-HD Pump Controller R-410A High Amperage Capacity: Rated forThe 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