All about me Home Boost is an intelligent inline mains booster pump. It will boost the incoming mains water supply to the whole house to 12 litres per minut. It recognises when pressure & flow are low & quietly boosts the performance of the incoming mains water either directly or indirectly via the combination boiler up to 12 litres per minute. This inline pump should be installed directly onto the incoming mains using 3/4 BSP to 15mm or 22mm fittings either after the stop tap or before the boiler appliance Need to know. Boosts mains water flow up to 12 l/min. enhanced shower performance. Quicker bath fill. Stronger flowing taps. Flow indicator lights. WRAS Approved. Fully compliant with water regulations. Extremely quiet only 46d BA*. Fittings kit available. 3 year warranty.