●Alternative water sources: the Kärcher BP 4,900 Home domestic waterworks pumps water out of cisterns or wells so that it can be used as domestic domestic water ●Automatic start/stop: the BP 4,900 Home switches on automatically when needed, for example when the washing machine is turned on or the toilet flush is operated ●Easy to use: the domestic water system can be set up without tools. The pump feet can be screwed to the ground for a more stable stand ●Comprehensive equipment: the domestic water system is equipped with a 24 litre pressure expansion tank, a pressure gauge, a check valve and a thermal fuse ●Box contents: the Kärcher BP 4.900 Home domestic water system includes 2 connection adapters for pumps G1, one of which has check valve