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SP228 Solar Water Heating System workstation
3.Main functions
1. 8 solar hot water systems for choice2. Time display3. Temperature difference circulation 4. Storage tank overheating protection5. Emergent stop of system overheating6. Frost protection of pipeline and collector7. Three periods of time adjustable on pipeline circulation8. Three periods of time adjustable on auxiliary heating9. Holiday function10. Anti-bacteria function11. Three speed levels on circulation pump12. Display flow rate13. Display system pressureSolar Water Heating System/ Work Station