For technicians servicing residential air conditioners or heat pump systems

sacrificial by design to protect your more expensive controller or thermostat

For field replacement

While the 24V tap is standard for most HVAC controls

Built from durable galvanized steel

Lennox 38631 Transformer 323080-701 For technicians servicing residential airThe Lennox 38631 Transformer is a critical OEM replacement part designed for precise voltage regulation within residential and light commercial HVAC control systems. This heavy duty step down transformer features a 120V primary input and a 24V secondary output, providing a stable 30VA power rating required to energize high draw components such as furnace control boards, 24V thermostats, and ignition modules. Specifically engineered as a direct fit for