WeatherTRAK 2-Wire 48-station Expansion
Supplier Part #: WTPRO3-2W48STA-KEY
Item #: HYDWTPRO3-2W48STA-KEY
Item #: HYDWTPRO3-2W48STA-KEY
Product Info
WeatherTRAK 2-Wire 48-station Expansion Key (adds an additional 48 stations)