IBC Technologies’ SL G3 Series condensing fire-tube boilers has inputs ranging from 115,000 to 399,000 MBH. The SL G3 has up to a 10:1 turndown, a built-in approved low water cutoff with manual reset high limit; advanced touchscreen controller and a built-in zone pump control up to four zones.

IBC Technologies. www.ibcboilers.com