Patented Heating Systems
This Heating System is granted 2 patents: (i) Invention Patent (No. CN104048400B) and (ii) Utility Patent (No. CN203880922U). The direct heat injection nozzle accelerates the heating process using the Siphon Theory.

Fig 1. Stainless Steel Double Tank Structure

Fig 2. Heating System of Hybrid Electric Water Heater

Fig 3. Inner Tank Wrapped in PU Insulation Material