... No coking, low emissions: burning fully, chimney without black smoke, pipes and grates without coking phenomenon 3. Fuel costs savings ... lower than the ordinary atmospheric pressure boiler 4. Versatile: suitable for factories, offices, schools, hotels, bath center, family etc 5 ... water, steam, bathing water Wood Pellet Hot Water Boiler for Food Industry/ for SaleAtmospheric Pressure Hot Water Boiler