McDonnell & Miller 93-HD Pump Controller Freon Complete Assembly: Includes the essential

Complete Assembly: Includes the essential mounting bushing and rubber connector boot for a secure installation

What is the significance of the 25-inch lead

or the provided extended studs on the shaft end

ensuring seamless integration with existing terminal orientations and rail configurations

Modifying the spring in the field will void its ANSI Z21

McDonnell & Miller 93-HD Pump Controller Freon Complete Assembly: Includes the essentialThe McDonnell & Miller 93 HD Pump Controller (Part Number 162400) is a heavy duty combination low water cut off and pump controller engineered specifically for commercial and industrial steam boiler systems. This unit features a specialized head mechanism designed for seamless integration into existing Model 93 or Model 193 float chambers. By utilizing two snap acting SPDT switches, it provides precise boiler feed pump control while ensuring critical