The Grundfos Max-E Boost is a single pump, variable speed cold water booster set and is intended to supply boosted cold water from a water storage tank to a pressurised hot and cold water system at a constant outlet pressure. The Set comes complete with an integral pressure transducer, pressure vessel, non-return valve, isolating valves, pressure gauge, and anti-vibration mountings. A drain cock is included to simplify commissioning of the vessel precharge pressure.

It uses the latest variable speed E-pump motor technology to maintain a constant discharge pressure up to a maximum setting of 4.5 bar. The variable speed controlled operation of the Grundfos CRIE 5-8 pump helps to eliminate pipe work noise caused by water hammer which is generally associated with standard on/off controlled fixed speed water pumps.

Due to the Grundfos Max-E Boost Booster Set being quiet while running and small in size it is suitable for installation in a utility room or garage, or a frost protected outdoor enclosure.

The WRAS approved CRIE 5-8 stainless steel vertical multistage water pump is factory commissioned to deliver a constant 3 bar pressure at flow rates up to 1.9 l/s.

The pump motor control panel indicates operation and fault conditions, and allows simple adjustment of the discharge pressure from 0.5bar to a maximum of 4.5 bar.