Johnson Controls MS4DR24T-11 Control R-410A maintaining an accurate boiler pressure

maintaining an accurate boiler pressure gauge is critical for verifying proper expansion tank operation and preventing high-limit trips

Key Benefits Universal Compatibility: Engineered to fit the entire FS4-3 series and AF-1 / AF-2 / AF-3 air flow switch models

Rotate clockwise to increase the pressure threshold and counter-clockwise to decrease it according to your differential pressure requirements

Exact OEM Replacement: Direct substitute for the CS3AN16A24 coil

Horizontal units require a different part number to align with the internal subplate

Johnson Controls MS4DR24T-11 Control R-410A maintaining an accurate boiler pressureThe 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