This pressure switch for use on some brand furnaces.

This Universal Air Pressure Switch replaces most small footprint pressure switches. Mounting hardware, springs, and orifices are included in kit. Part has an operating range of 0.1 - 10" WC, and a max pressure rating of 14" Temperature Rating: -40C to 88C. This part has UL, CUL, CSA, CE, and Australian Gas Association approval.

This 1/8 Neoprene Air Tubing is 5 feet in length and intended for use with air pressure switches. Tubing is black in color. Pressure Range: -20 WC - 20 WC. Temperature Range: 0-160F (-17C - 71C)