Johnson Controls AFS-405 Switch Broad Compatibility: Standardized 4-inch fitment

Broad Compatibility: Standardized 4-inch fitment facilitates direct replacement in KMC pneumatic systems without modifications

Rugged Construction: Features a durable 6" stainless steel probe and a galvanized steel mounting box for protection in high-velocity duct environments

As a genuine control board wiring harness

Industrial Durability: Robust construction withstands standard 15 psig saturated steam and hot/chilled water media temperatures

UL Listed Reliability: Built to meet strict safety standards for Class 2 power sources in industrial and commercial applications

Johnson Controls AFS-405 Switch Broad Compatibility: Standardized 4-inch fitmentThe Johnson Controls AFS 405 is a professional grade adjustable differential air pressure switch designed for precision monitoring in HVAC, DDC, and energy management systems. Engineered with a glass filled polycarbonate housing and a high performance silicone diaphragm, this sensing switch is optimized for detecting positive, negative, or differential pressure between 0. 05 and 12. 0 inches water column. The inclusion of gold plated contacts ensures