Supco NS2000031 Universal Air Pressure Sensing Switch, 0.1 - 10 Inch WC, SPDT, Barbed, 5 A, 277 VAC
White-Rodgers™ 770-1 Dual Purpose Pressure Switch, 0.07 - 12 Inch WC, SPDT, 1/4 Inch OD, -40 to 180 deg F
Square D 9013FHG2J27M1XZ22 Electromechanical Air Compressor Switch, 40 - 100 psi, 20 psi Differential, 1/4 Inch NPSF
Siemens 69JF7Y Pressure Switch with Unloaded Valve, 95 - 125 psi, 25 - 33 psi Differential, 1/4 Inch FNPT
Siemens 69JG8LY Pressure Switch with Unloaded Valve, 95 - 125 psi, 25 - 33 psi Differential, 1/4 Inch FNPT
Armstrong Air® 58H31 Pressure Switch, 3 Inch WC, For Use with Lenox SWA060H4, ZCA036S and ZHA048S Furnaces
CAREY 5060.05 Differential Pressure Switch, For Use with 0910 - 0935 Series Burners
Cleveland Controls AFS–262 Air Pressure Sensing Switch with Adjustable Setpoint , 0.05 - 2 Inch WC, SPDT