Federal Thermal Air Pressure Switch Blue 0.07-1.7"WC - JD2BLUE

Antunes JD-2 (blue) air pressure switch with 0.07–1.7" W.C. adjustable range, SPDT contacts. Used in commercial boilers, water heaters, and food-service equipment to prove combustion air or draft. Federal Thermal #801111301 with 12500-0101 carton; OEM equivalent of Antunes part 8101111301.