Lennox 47W02 Transformer 321702-401 Direct Retrofit: Engineered as a

Direct Retrofit: Engineered as a genuine Copeland replacement part

and newer blends like R513A

Optimized for LP Gas: Engineered to handle the specific combustion characteristics of liquid propane systems

this DSI ignition board monitors burner operation using advanced remote flame sensing technology to ensure stable performance and rapid response to flame failure

fitting established footprints in older gas-fired furnace platforms

Lennox 47W02 Transformer 321702-401 Direct Retrofit: Engineered as 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