For family 2-3 person Warranty : 5 Years (on-Tank), 5 years on (Panels) Tank Volume- 100 LPD Inner Tank material- Galvanised Iron Inner Tank Thickness : 3.5 mm Special Protection : Sacrifical Anode Rod for fighting water hardness Outer Tank Material - Galvanized Power coated No of Panels: 1 Water Hardness handling capacity: Upto 600 ppm Electrical Backup Coil: Extra Customer Scope: Plumbing