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Each element is digitally calibrated across multiple points to ensure out-of-the-box accuracy for critical BAS (Building Automation System) monitoring
ensuring reliable signal transmission to the boiler control modules
The SPDT relay configuration (1 NO / 1 NC) is rated for 10A resistive loads at 120/240 VAC
Robust Mounting: Dual mounting ears facilitate strain-free installation on ductwork or flat equipment surfaces
McDonnell & Miller 64-HD Cut Off R-410A Each element is digitally calibratedThe 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
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