HVAC professionals, this Johnson Controls pressure switch is exactly what you need for reliable duct pressure sensing! The P32AF-2C model is built tough to handle temperature extremes from -40°F all the way up to 167°F, so it works in pretty much any environment. It senses differential pressure from 0.05 to 5 inches of water column with sensitivity down to 0.025 at the minimum set point - that's precise enough for most HVAC applications. The SPDT contact action gives you flexibility in how you wire it into your control systems. What's really convenient is that it comes with everything you need: 1/4 inch compression fitting, 4 inch extension tube, mounting screws, and an O-gasket. The high-pressure connectors are metal with 1/8 inch internal NPT threads, while the low-pressure side has molded connectors. Perfect for sensing air flow in ducts, monitoring filter pressure drops, or any application where you need to detect pressure differences in air systems. The construction quality is what you'd expect from Johnson Controls - rugged and dependable for long-term performance. Whether you're working on commercial building systems, industrial applications, or complex HVAC setups, this switch delivers accurate, reliable performance year after year. It's one of those components that just works without giving you headaches down the road.
Free 30-day returns 
Free 30-day returns
