This blade is strictly for Clockwise (CW) rotation

allowing it to be hardwired or connected using the ceramic wire nuts often found in service kits

NEMA 4X Protection: The watertight and corrosion-resistant enclosure allows for safe operation in washdown areas or outdoor installations

Smith water heaters and large-scale residential hydronic units

maintaining the original flue gas flow rates and pressure switch calibration required for high-efficiency heating systems

Trane BRD3456 Circuit Board 326058-756 This blade is strictly forThe Trane BRD3456 Circuit Board is a critical OEM replacement HVAC control board engineered for high performance communication and logic sequencing within residential and commercial Trane systems. As a genuine system control motherboard, this unit manages the complex interactions between the thermostat, blower motor, and compressor, ensuring tight tolerances for operational timing and safety limit integration. Replacing a faulty or corroded board with