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PRESSURE SWITCH
The 14A45 PRESSURE SWITCH has been changed to comply with the latest federal codes.
Pressure switch 14A45 is a replacement for the AC pressure switch part number 9A4352 (RP14A45).
Pressure Switches help control draft and venting fans.
The 14A45 Pressure Switch (2 Terminal) with spring loaded actuator has a maximum pressure of 15 PSI. The Pressure Switch (2 Terminal) measures 2.25" in diameter and 4" in length.
Pressure Switches are designed to activate your heater's blower when the evaporator freeze protection feature is turned on. The built-in control board senses the temperature of the refrigeration system and automatically activates the blower whenever it detects a low pressure condition in the evaporator. This may be caused from evaporator freeze protection being turned on, which cools down the evaporator and shuts off the airflow into your home.
Pressure switches sense and regulate pressure of liquid or gas. It senses a drop in pressure or a leak in the system and shuts off the pilot light, reducing the chance of overexposure or risk.
The Lennox Pressure Switch is a replacement pressure switch for the 14A45 series gas furnace
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