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a gateway or a controller with a Modbus-compatible port is typically required to translate the sensor data
Key Benefits Universal Compatibility: Engineered to fit the entire FS4-3 series and AF-1 / AF-2 / AF-3 air flow switch models
This "water seal" prevents high-temperature saturated steam from directly entering the Bourdon tube of your boiler pressure gauge or Pressuretrol controller
Horizontal units require a different part number to align with the internal subplate
maintaining an accurate boiler pressure gauge is critical for verifying proper expansion tank operation and preventing high-limit trips
Johnson Controls MS4DR24T-11 Control R-410A a gateway or a controllerThe Johnson Controls MS4DR24T 11 (identical to the MS4DR24T 11C) is a high performance multi stage electronic temperature control designed for precise climate management in commercial HVACR applications. This versatile DIN rail mount control operates within a temperature range of 14 to 140F, making it an ideal solution for walk in coolers, chillers, and space heating systems. It includes the A99BB 200 PTC silicon sensor, ensuring accurate thermal
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