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Smith Cyclone Mxi and commercial series units
Cross-reference your cabinet data plate with the 1439389S part number to ensure proper clearance
Accurate Thermal Response: The thermo-bonded probe provides consistent mechanical tripping at 210°F
Replacing the obsolete EF05BD331
Trane WIR4584 Wire Harness R-410A Smith Cyclone Mxi and commercialThis Trane WIR4584 Wire Harness is a critical OEM component designed for precise signal transmission and power distribution in specific Trane and American Standard HVAC units. Featuring a 4 pin to 12 pin male connector configuration, this harness ensures a secure, low resistance interface between the control board and auxiliary components. Engineered for high durability and heat resistance, it prevents communication failures or intermittent power loss
