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Mini Boiler Owners Manual
2015
All wood pellets must conform to certain quality standards to ensure trouble free operation of the burner.
Use of unapproved fuels will result in faulty operation and a voided warranty. Never use the following:
trash, household garbage, plastics, gasoline, rubber, naphtha, leaves and materials treated with petroleum
products (ie: particleboard, railroad ties & pressure treated wood). Paper products should not be used.
Please contact your Northwest Manufacturing or your WoodMaster for any questions on fuel use.
Pellet Specifications
Only premium wood pellets certified by the Pellet Fuels Institute may be used and must follow these
guidelines:
• Bulk density per cubic foot must be a minimum of 40 pounds
• The diameter is between 1/4 inch to 5/16 inch
• Maximum length is 1.5 inches
• Fines (dust) of not more than 0.5% by weight
• Sodium content shall be less than 300 parts per million
• Ash content of 1% or less
• Moisture content of 10% or less
Note: Pellets should be stored in a dry area and should not be allowed to get wet.
Handle pellets with care.
Note: Each time you change brand/quality of pellets you may also have to change the start dose and feed
rate of the burner.
Fuels