Johnson Controls P29NC-49 Pressure Switch, 20-100# Range, Manual Reset, 120s Delay, SPDT, 36" Capillary, 120/240V

This pressure control switch is designed to regulate the pressure of air or other non-corrosive gases in HVAC systems. It has a range of 20 inches to 100 pounds and a maximum response time of 120 seconds. The switch is compatible with both 120 and 240 volt electrical systems and features a 36-inch capillary tube for easy installation. Its reliable performance makes it an ideal choice for HVAC service technicians looking for a high-quality pressure control switch.