Aktivated 2.3 Bar twin impeller pump the perfect solution if you have a water tank in the loft and a gravity vented hot water tank for further information click on the following red link. Fact sheet
The pump comes with a 2 year manufacturers warranty.

Aktivated 3 Bar twin impeller pump the perfect solution if you have a water tank in the loft and a gravity vented hot water tank this pump is made specifically for hansgrohe showering systems for further information click on the following red link. Fact sheet

The pump comes with a 2 year manufacturers warranty.