Technical specifications include a compact frame for easy integration into control boxes and screw terminals designed for secure HVAC wire terminations

Key Benefits Factory-Calibrated Performance: Fixed at a 4 mA starting point and 16 mA span for consistent proportional control

ensuring proper alignment with the motor shaft to prevent premature bearing failure

or differential pressure using 0

McDonnell & Miller 64-HD Cut Off Els PW 17895 Technical specifications include a compactThe McDonnell & Miller 144400, also known as the 64 HD Head Mechanism, is a heavy duty replacement unit designed for Series 64 and Series 764 low water cut offs. Engineered for both hot water and steam boilers, this mechanical oversight component facilitates an auto reset function to ensure continuous system protection without manual intervention. As a float type LWCO mechanism, it is rated for a maximum boiler pressure of 50 PSI. This unit serves as