Specifications: For family 3-4 person Warranty : 2 Years (on-Tank), 1 years on (Panels) Tank Volume- 165 LPD Inner Tank material- Galvanised Iron Outer Tank Material - Galvanized Power coated No of Panels: 1 Pressure Handling Capacity: 2.5 bar Water Hardness handling capacity: Upto 600 ppm Electrical Backup Coil: Extra Must Before Buying: Space available on terrace should be minimum : 9 feet x 4 feet For those who have booster pump on terrace Customer Scope: Plumbing