The flow from my gravity fed mixer shower is less than I expected?

Flow rate from mixer showers varies depending on the available head of water (the hight of your cold water tank) and restrictions within the supply pipe work and shower valve. Commonly flow rates are between 3 and 5 litres per minute. To ensure optimum performance from a gravity fed shower the following guidance should be followed.

1. Follow manufacturer recommendations regarding pipe size
2. Ensure the mixer is specified for low pressure application
3. check if suitable for a booster pump to increase flow/pressure

For gravity-fed systems Aqualisa mixer valves will usually provide better flow rates than other manufactures.