Description
Johnson Controls P499AAP-105K Pressure Transducer Overview
The Johnson Controls P499AAP-105K is a precision pressure transducer engineered for reliable pressure measurement in commercial and industrial HVAC and building automation applications. Featuring a 0–500 PSI pressure range and a standard 4–20 mA analog output signal, this transducer delivers accurate, loop-powered readings that integrate seamlessly with building automation systems, controllers, and data acquisition equipment.
Key Features
- Pressure range: 0–500 PSI for broad application coverage
- Output signal: 4–20 mA for noise-resistant, long-distance signal transmission
- Connection: 1/8″ NPT external thread (Style 49) for easy installation into standard ports
- Includes a 6.5-foot (6.5′) wire harness for flexible wiring and routing
- Compact, durable construction suited for demanding HVAC and BAS environments
- Part of the Johnson Controls P499 Series of pressure transducers
Application
The P499AAP-105K is ideal for monitoring refrigerant pressure, water pressure, and other fluid system pressures in commercial HVAC systems, chillers, boilers, and hydronic systems. The 4–20 mA output signal ensures accurate readings even over extended wiring runs, making it a dependable choice for building automation and controls integration.
Specifications
- Brand: Johnson Controls
- Model / SKU: P499AAP-105K
- Pressure Range: 0–500 PSI
- Output Signal: 4–20 mA
- Thread Connection: 1/8″ NPT External (Style 49)
- Wire Harness Length: 6.5 feet
- Series: P499







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