this HVAC low pressure switch is a versatile solution for condenser fan cycling or as a secondary safety limit on electronically controlled systems

the sensor will trigger a permanent lockout for safety

This unit is a dual-stage safety component

Common Questions Is the HK42FZ034 compatible with my older HK42FZ013 board

the MS4D-7033-100 features a counter-clockwise (CCW) fail-safe position

Siemens Industrial Controls 75D73070H Coil 320720-756 this HVAC low pressure switchThe Siemens 75D73070H is a precision engineered replacement magnetic coil designed for use with NEMA Size 00, 0, 1, 2, and 2 1 2 motor starters and contactors. Operating within a 440 480V 60Hz 380 440V 50Hz range, this AC control coil ensures consistent pull in and holding characteristics for industrial motor control centers. When servicing aged or chattering contactors, installing this HVACR replacement coil restores the electromagnetic integrity of