Mainsboost Flomate MBF 12The Mainsboost Flomate MBF 12 Pump is designed to be connected directly to the incoming mains and will deliver an additional 1. 5 bar pressure to the existing mains pressure and a maximum flow rate of 12 litres per minute. The pump will start automatically when a flow rate of 0. 6 litres per minute or more exists. Suitable for low occupancy properties with typically one bathroom. Comes with 3 year manufacturers warranty.