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Whether you are performing a routine service or an emergency HVAC limit switch replacement
Whether you are troubleshooting a York 600V relay failure or performing preventive maintenance on a multi-stage system
Secure Adjustment: Includes a concealed screwdriver slot to ensure setpoints are protected from unauthorized tampering
maximizing energy efficiency
Lennox 47W02 Transformer 321142-301 Whether you are performing aThe 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