Weil-McLain’s 95% AFUE Evergreen boiler features a durable design and a flexible functionality for multiple applications. It offers quiet operation, floor-standing or wall-mount options and environmental sustainability. The unit features a guided setup wizard, an easy-to-understand graphical user interface, simple controls and 10 heating system presets for quick setup. It also offers the ability to cascade eight boilers together and ZoneStacking up to 24 programmable zones with no external panel required. It features a 10 to 1 turndown ratio and is available in 220 mbh, 299 mbh and 399 mbh.