SKU: 71129459523
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As a sensitive pressure switch with a close differential
5-ton or 3
Engineered Durability: High-grade alloy construction resists oxidation and terminal degradation over time
making it the standard choice for reliable sealing performance in light-to-medium pressure applications
Flexible Mounting: A 6-foot capillary allows for remote sensing in ducts
Trane BRD5770 Board 321894-706 As a sensitive pressure switchThe Trane BRD5770 Board is a specialized OEM HVAC control board engineered for high performance regulation in specific Trane and American Standard climate systems. As a veteran grade printed circuit board (PCB), this unit functions as the primary command center, orchestrating the system communication between thermostats, blower motors, and secondary sensors. If you're dealing with erratic fan cycles or a complete system lockout, verifying the
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