Wood Stoves Type and Cold Rolled Steel Material wood boiler stove
1.For flue, the diameter is 6 mm or 8 mm pure wood pellet is recommended. Less than 20% crop material wood pellet is also an option, but should do burning box cleaning daily, otherwise, the heating power will be affected.
2.Please select qualified wood pellet as fuel, there should be no any metal or hard stuff inside of wood pellet to avoid the feeder and feeder motor to be damaged.