this SPDT pneumatic switch provides reliable conversion between electrical signals and pneumatic pressure

Ensure the O-ring is seated correctly and the coil is secured tightly to prevent mechanical vibration

What is the immersion length of this element

The mid-point ground configuration and large spring contact HV terminals provide a secure

437-inch bore and 58

Heil Quaker ICP 1171741 Blower Wheel 318973-401 this SPDT pneumatic switch providesEnsure reliable airflow and peak system efficiency with the Heil Quaker ICP 1171741 Blower Wheel. This genuine OEM replacement is a direct drive squirrel cage wheel specifically engineered for ICP fan coil units, including high performance models such as the FVM4X3600A1, FVM4X, and FCM4X series. Constructed for clockwise (CW) rotation, this blower wheel measures 10 inches in diameter with a 9 inch width and a precision fit 1 2 inch bore size,