Broan-NuTone 401T Transformer 24 Volt 40 Va Since their beginning in 1932, Broan has pioneered many of the product innovations now established as standards of the industry. Today, Broan carries on the commitment to provide the finest products in the industry. Broan-NuTone 401T Transformer 24 Volt 40 Va Features: • Transformer (24 volts, 40 watts