Lennox 47W02 Transformer 321142-301 Secure Adjustment: Includes a concealed

Secure Adjustment: Includes a concealed screwdriver slot to ensure setpoints are protected from unauthorized tampering

System Efficiency: Low 2W power consumption reduces the load on the 24V Class II transformer in large-scale hydronic floor heating installations

The York S1-025-22273-003 Limit Switch is a critical OEM safety component engineered for precise thermal monitoring in high-performance HVAC systems

preventing chemical depletion that can compromise compressor performance

Superior Environment Protection: Integrated NEMA 4X protection for watertight and dust-tight performance

Lennox 47W02 Transformer 321142-301 Secure Adjustment: Includes a concealedThe Lennox 47W02 is a heavy duty OEM replacement transformer designed for critical 480V to 24V step down applications in commercial and industrial HVAC equipment. This 75VA Class 2 transformer provides the stable low voltage power necessary to drive control boards, contactors, and high draw thermostats. Engineered to replace Lennox part 101908 01, it features a primary input of 480 VAC at 50 60 Hz and a secondary output of 24 VAC, ensuring consistent