The Reduced Standard

The following types of hot water systems meet the Reduced Standard:

1. Any hot water system that meets the Full Standard requirements.
2. A Conventional Electric hot water system with a total tank volume of 700 L or less (if applicable).
3. A Natural Gas or LPG hot water system (instantaneous, continuous flow or storage) that has:

• a 2.5-star energy rating or more; and
• A total tank volume of 700 L or less (if applicable).

4. An Electric Boosted Solar or Heat Pump hot water system that:

• Is eligible for any number of RECs; and
• Has a total tank volume of 700 L or less.

Note:
Gas Water Heaters
Energy ratings for natural gas and LPG water heaters can be found at:
http://www.aga.asn.au/product_directory

Solar and Heat Pump Water Heaters
The number of renewable energy certificates (RECs) is provided for each eligible model of solar water heater and heat pump water heater at:
http://www.orer.gov.au/publications/swh-register.html

Other Water Heaters
The SA Water Direction specifies a Performance Verification Method that can be used to demonstrate compliance with the Reduced Standard for water heaters not listed above.