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Designed specifically for the T-4000 series
you must use the specified SPDT part to maintain sequence logic
offering superior heat dissipation and longer service life compared to generic alternatives
The MCS-S-P is built for durability in high-demand mechanical rooms
Replacement is recommended if you notice increased vibration
Siemens Building Technology RDG400 Stat 328140-751 Designed specifically for the T-4000The Siemens RDG400 is a versatile room temperature controller designed for 24V AC installations requiring precise 0 10V DC modulation or 3 point floating control. Engineered for demanding HVAC applications, this unit excels in managing VAV systems, small reheaters, and cooling equipment. Its multi functional architecture allows for seamless integration into Building Automation Systems (BAS) using PI control logic to minimize temperature drift. The