Installing a water-efficient showerhead (if compatible with your hot water system) will give you a great shower and you will save water, energy and money.

Standard showerheads use about 15 to 25 litres of water per minute. Water-efficient showerheads use nine litres per minute or less.

Installing a water-efficient showerhead could save thousands of litres of water per year. This means:

  •   reduced water consumption & saving on your water bill; and
  •   reduced energy consumption for hot water & reducing your energy bill and greenhouse gas emissions.

The more time spent in the shower and the more the tap is turned on, the greater your water consumption. So, whether you have a water-efficient showerhead or not, shorter showers using less water pressure will reduce water use and assist in reducing your water bill.

REGULATIONS
Under the ACT Water and Sewerage Act 2000 and its regulations, when plumbing work involving the installation of, or work on, a shower is undertaken for a residential property, the showerhead must have a maximum flow capacity of not more than nine litres per minute.

HOT WATER SYSTEM COMPATIBILITY
Water efficient shower heads can help many households save significant amounts of water, energy and money. However they are not suitable with some hot water systems.

If you have an instantaneous water-heating unit, check with the heater manufacturer & the reduced flow rate of some water efficient shower heads may be too low for some heater models.

If you have a gravity-fed hot water unit, check with the shower head manufacturer, not all shower heads will deliver enough water if your water pressure is too low.

TO CHECK THE FLOW RATE OF YOUR SHOWER HEAD
You will need a bucket, a one-litre measuring container (such as a one-litre milk carton or measuring jug) and a watch that shows seconds.

  • Fully turn on the cold-water tap of your shower.
  • Hold the bucket under the shower for 20 seconds.
  • Remove the bucket and turn off the water.
  • Measure the amount of water in the bucket by emptying a litre at a time into the measuring container.
  • Calculate the flow rate (in litres per minute) by multiplying the number of litres by three. For example, if you collected 8 litres over the 20 seconds, the flow rate is 8 x 3 = 24 litres per minute.

Water efficient showerheads have a flow rate of nine litres per minute or less.

Also Read: Benefits of Bathroom Showerheads

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