Lionel ZW 275 Watt 4 Train Transformer

Lionel ZW 275 Watt O Gauge Vintage Trainmaster Transformer with Whistle. This ZW is the largest Lionel transformer and produced up to 275 Watts, it has controls to operate four trains, circuit breaker and whistle controllers (there are only two whistle controllers, and they are wired to the outer control arms). The ZW is one of the most reliable transformers ever made and will meet just about any power needs on a layout.   Serviced  Tests Good