... water, steam, bathing water 3. Fuel costs savings Atmospheric Pressure Hot Water Boiler 1. Automation: ignition, feed, air blow ... , low emissions: burning fully, chimney without black smoke, pipes and grates without coking phenomenon 3. Fuel costs savings: ... is greatly reduced, and 50% lower than the ordinary atmospheric pressure boiler 4. Versatile: suitable for factories, offices, schools, ...