Characteristics:1. Shell covering flame tube technology: increasing radiation area, improving heat efficiency and prolonging life span. 2. Running under atmospheric pressure: safety is guaranteed. 3. Automatic running: safe and user-friendly operation. 4. Compact construction: a small installation area. 5. Complete pothook type faceplate design: easy for installation and maintenance.6. Applicable fuels: gas, oil, and dual fuel.Applications: 1. Mainly providing heating through radiators, especially fit for use in residential areas, hospitals, schools, banks and so on. The outlet water temperature is 90 degrees. 2. Providing heat source for central air conditioning system with water-water heat exchangers. 3. Directly providing boiled water and hot water is also possible. producing area:China supplying capacity:50 sets/month