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This UL 555S rated actuator includes a built-in mechanical end stop and is commonly utilized in multi-zone air handling units and pressurized stairwell systems to maintain architectural structural integrity during thermal events
making it a critical truck-stock item for service calls involving furnace blowers
this model features 3/4-inch ODF suction and 1/2-inch ODF discharge sweat connections
Integrating an R41540 Aaon controller into your rooftop unit or chiller ensures maximum reliability and operational efficiency
MAMAC Systems HU-226-3-VDC-17 Transducer 321894-709 This UL 555S rated actuatorThe 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
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