Dual-Protection Safety: Provides mechanical redundancy by monitoring both internal pressure (150 PSI) and water temperature (210°F)

For technicians troubleshooting flow detection issues

This genuine OEM furnace limit switch features a 3-inch insertion length

eliminating the need for wet-wrapping and reducing installation time on the job site

Johnson Controls P70AA-150 Pressure Control Freon Dual-Protection Safety: Provides mechanical redundancyThe Johnson Controls P70AA 150 is a heavy duty single pole high pressure control designed for demanding commercial refrigeration and HVACR applications. As a veteran grade fan cycling control, it features an SPST switch with a "Close High, Open Low" action, making it an essential component for maintaining optimal head pressure in systems using non corrosive refrigerants. This mechanical pressure switch operates within a versatile range of 100 to 400