These TotalTest replacement tubes are engineered specifically for detecting harmful acid and moisture levels in HVACR systems without the need for messy oil sampling

17" to 6" WC range covers most commercial air proving and filter monitoring requirements

Can I use this valve for low-pressure systems

eliminating the need for complex internal lead swapping

Professional installation is required to ensure proper shaft alignment and wiring integration within the furnace's control circuit

Johnson Controls P499VAP-105K Pressure Transducer Kit 320788-703 These TotalTest replacement tubes areThe Johnson Controls P499VAP 105K is a precision electronic pressure transducer engineered for demanding HVACR applications, providing a linear 0 to 10 Vdc output signal. Designed for high side pressure monitoring in commercial refrigeration and air conditioning systems, this kit features a 0 to 500 psi range with a robust 1 8" 27 NPT external thread fitting. As the direct replacement for the legacy P499VAP 105, it utilizes a stainless steel