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The VAL20658 is a liquid line service valve used to provide access for refrigerant charging
using an incorrect diameter will lead to catastrophic mechanical failure and loss of airflow
Common Questions Is the AV-430 compatible with older Barber Colman MK-4700 series actuators
Always verify the specific environmental ratings of the associated actuator and housing
MAMAC Systems HU-226-3-VDC-17 Transducer 321894-706 The VAL20658 is a liquidThe MAMAC Systems HU 226 3 VDC 17 is a heavy duty duct humidity and temperature transducer engineered for precision monitoring in commercial HVAC and building automation systems. This unit features a high stability cross linked polymer capacitive humidity sensor providing 3% accuracy across a 0 100% RH range. For simultaneous temperature tracking, it is equipped with a 20,000 Ohm NTC thermistor, ensuring compatibility with a wide array of BAS and
