This product helps recovering the heat of the showering water, because the used water warms up the cold water that flows to the boiler. Using this can save more than 40% of the energy of showering!
The efficiency of the heat recovery is 44,1% in case of 9,2 liter/minute flowing water.*
Size: 20 cm (depth) * 87,5 cm (length), 17 cm (width)