YTP4G (116-581 KW) Series 4-Pass-Stoker Fired Heating Boiler Half Cylindrical - Pipe + Header System - 4 Pass Central System Heating Boiler USAGE AREAS Mass Housing Heating FUEL TYPES Pellet, Pomace, Hazelnut Charcoal, Brass Coal Downloadable Content File Name Download link 4 | Pass | Stoker Fired Heating Boiler Gold Download File