McDonnell & Miller 193 Controller 30067439-890 Common Questions How do I

Common Questions How do I adjust the setpoint on the Antunes JD-2-GREY

If your unit heater is short-cycling or the control board displays a limit trip code

By absorbing the startup torque and steady-state oscillation of the motor

Key Benefits Quick-Release PopTop™ Design: Enables the actuator to be swapped in seconds without draining the system or using specialized tools

retaining ring

McDonnell & Miller 193 Controller 30067439-890 Common Questions How do IThe McDonnell & Miller 193 (Part Number 163400) provides heavy duty combination low water cut off and pump control for commercial and industrial steam boilers. Engineered for high pressure systems with a 150 PSI maximum pressure rating, this unit features dual snap acting SPDT switches to ensure precise differential control and reliable burner shut down. The proportional action of the float mechanism maintains tight water level tolerances, preventing