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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Note that the closing point is fixed at approximately 3 to 5°F below the set opening temperature
Built for heavy-duty industrial HVAC applications
It is highly recommended to match the 28-degree pitch exactly
Accurate Set Points: Features a fixed 22# trip and 7# differential for reliable 29# cut-in performance
allowing for immediate setpoint adjustments that bypass complex menus
Lochinvar & A.O. Smith 100277755 Pressure Switch 321142-301 Note that the closing pointThe Lochinvar & A. O. Smith 100277755 Pressure Switch is a mission critical component engineered for precise atmospheric monitoring in high efficiency boilers and water heaters. Calibrated to a . 95" WC (Water Column) set point, this OEM replacement pressure switch ensures the inducer fan is generating the correct static pressure before allowing the ignition sequence to proceed. As a veteran grade HVAC induction switch, it is designed to prevent