Crown Bimini BWC425 Gas Fired Hot Water Condensing Boiler NG Electronic Ignition Concentric Vent Up to 2000 Ft Altitude Taco Pump - 425000 BTU The Bimini (BWC) Series boiler is a cast aluminum high-efficiency condensing gas-fired direct-vent hot water boiler. The BWC is available in both natural and LP gas. The BWC also includes a microprocessor-based control system. The BWC is fully wired and ready for installation. With today's high energy costs owners of commercial properties want boilers that provide optimum comfort at the lowest cost. So they are choosing the Bimini Commercial with thermal efficiency ratings up to 93.1%. Maximum efficiency is achieved by modulating the boiler's operation to meet the changing heat requirements over the course of the day. To handle large facilities multiple Bimini boilers can be installed. The Bimini is ruggedly built to provide years of service. It uses the latest of microprocessor controls for efficiency and safety.[]