This Fröling FHG 40/50 was used as a "live" display model for about 5 years with less than 1000 operation hours. The boiler will come with a brand new S3 model boiler jacket (shown in box below).
Wood Boiler Planning Guide
Used Fröling P4 48/60 Pellet Boiler
Fröling P4 48/60 Pellet Boiler
Used ETSX90 Expansion Tanks
Used 240 Gallon Thermal Storage Tanks