Commander Slim Dual Flush Cisterns with the 'Large Eco- Handle', your cistern will be able to save up to 65% of the water used by a conventional cistern (large handle will flush 3 litres and small handle 6 litres). This means that the Slim Dual Flush will pay for itself in no time.
These figures count for 365 days of use in a 4 person household. The twin volume technology provides the following saving:
|Conventional Cistern||Slim Dual Flush Cistern|
|Usage per day||5 Times||4 Times||Once|
|Cistern Capacity||10 Litres||3 Litres||6 Litres|
|Consumption||50 Litres||12 Litres||6 Litres|
|Total Consumption||50 Litres||18 Litres|
Total saving: 50 litres - 18 litres =32 litres per person =128 litres per household per day =46,720 litres per household per year
With water costs of Rs. 4.00 per 1000 litres, and drainage at Rs. 2.00, the total saving of Rs. 6.00 per 1000 litres is Rs. 280.00 per cistern per year.