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5 KB PDF). For more information about the review, please email energyadvice@sa. gov (blocked drains Seven Hills).au. Only licensed plumbing contractors or registered plumbing workers can install water heaters. You can check that your installer has a license to do plumbing work using the licensing public register. The plumber must provide the household and the Office of the Technical Regulator with an electronic Certificate of Compliance (eCOC) for the installation.

See Assistance with purchase costs for more information. The number of STCs a system is entitled to create depends on its installation and geographic location. South Australia falls into geographic zones 3 and 4. Work through the decision maker below to find out which water heater can be installed at a home under the requirements.

If you are repairing an existing water heater, replacing a single faulty component in an existing solar or heat pump water heater, or replacing a water heater under warranty, these requirements don’t apply. Please selectNew home, alteration or additionApartment or flat in a multi-storey building (Class 2)Established home (Class 1A or 1B)Shed, garage or swimming poolNon-residential (shop, school or office) : Single detached dwelling or two or more attached dwellings separated by a fire-resistant wall, including a maisonette, row house, townhouse, and single-storey flats or units.

: Multi-storey building containing two or more sole-occupancy units, where each is a separate dwelling. Type of water heaterRequirementsSolar - electric boostedorElectric heat pumpYou can install a water heater that meets either of these zone requirements anywhere in the state:220 litres or less rated hot water delivery:220 litres and less than 400 litres rated hot water delivery:27 STCs or more for Zone 326 STCs or more for Zone 4400 litres or more and less than 700 litres rated hot water delivery:38 STCs or more for Zone 336 STCs or more for Zone 4Gas instantaneous or storage - bottled or mainsMust have an energy rating of at least 5 stars.

This option is not available for water heaters installed as part of building work that requires development approval. Solar - gas boostedEligible for 1 or more STC; orif collectors are installed at greater than 45° East or West of true North, achieve the minimum STCs listed in AS/NZS 3500. 4Solar - wood boostedAny water heater can be installed.

Find out the number of STCs for a particular brand and model in zones 3 and 4 by:Check the table above to find out the minimum number of STCs a water heater needs, based on tank volume, in Zone 3 and in Zone 4. You can then compare the water heater's STCs for Zone 3 and for Zone 4 with the minimum requirements - hot water replacement Seven Hills.

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It doesn’t matter which zone the water heater is installed in. Question: does a 300-litre electric heat pump water heater that is eligible for 26 STCs in Zone 3 and 26 STCs in Zone 4 meet the requirements in this table?Answer: while the electric heat pump water heater does not meet the Zone 3 requirement (27 STCs or more) it does meet the Zone 4 requirement (26 STCs or more) and can be installed anywhere in the state.

This means you may also need to install water efficient shower heads or flow restrictors that have no less than a three star rating under the water efficiency labelling and standards (WELS) scheme. If the shower outlets already have three star rated shower heads, no change is needed. Most new water heaters are compatible with water efficient shower heads, but check with the manufacturer if you are unsure.

These water flow rate requirements do not apply if your water heater installation is exempt from the water heater requirements. The National Construction Code Volume Three - Plumbing Code of Australia sets energy performance requirements for water heaters in Class 1 or Class 10 Buildings. The NCC lists several water heater types that are 'deemed to satisfy' these performance requirements, however, Electric Resistive Storage (ERS) water heaters are not included.

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There are two broad types of systems available; those that supply on-site PV energy directly to an electric resistive water heater and those that divert excess on-site PV from being exported to the grid to an electric resistive water heater (water leaks Seven Hills). A Verification Method (82. 6 KB PDF) has been prepared to demonstrate compliance of these systems with Performance Requirement BP2.

If you are considering one of these systems for your home, seek confirmation from your installer that the system complies with this verification method. Plumbing contractors who install electric resistive water heaters on new homes supplied by PV panels must certify compliance with this verification method on the plumbing Certificate of Compliance (CoC) which is provided to the property owner and the Office of the Technical Regulator.