The Honeywell A.J. Antunes JD-2-RED Pressure Switch is a dependable and adaptable component required for HVAC systems. To ensure maximum performance and safety, this pressure switch efficiently monitors and controls pressure levels between 0.1 and 24 inches. It protects HVAC equipment, including furnaces, boilers, and air conditioners https://www.partshnc.com/jd-2-red-aj-antunes-1-24--press-switch