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The AO SMITH 100111732 is a replacement pressure switch kit designed to monitor and control system pressure in water heating equipment. Pressure switches serve as a safety and operational control, opening or closing a circuit in response to pressure changes within the system. This kit provides a direct replacement for a failed or out-of-spec switch, restoring proper pressure-sensing function to the unit. Licensed plumbers and HVAC technicians are the primary installers of this component.
This pressure switch kit is intended for use in water heating systems requiring a factory-style replacement pressure switch. It is suited for residential and light commercial applications where maintaining accurate pressure monitoring is critical to safe and reliable equipment operation. Installation typically occurs during service calls when the existing switch fails a continuity or actuation test.
Designed as an OEM-style replacement pressure switch kit for AO SMITH water heating equipment requiring part number 100111732.
Installation should be performed by a licensed plumber or qualified HVAC technician. Shut off power to the unit and relieve system pressure before removing the existing switch. Verify all electrical connections are secure and the new switch actuates correctly before returning the system to operation. Refer to local plumbing and mechanical codes for applicable service requirements.
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