Five per cent of all Solar Homes Program installations are audited every year as part of our commitment to safety and quality, and to ensure installations comply with the latest standards (see Audits).
Download the hot water audit checklist
Independent auditors use this checklist when they conduct audit inspections of solar hot water and hot water heat pump installations under our program:
They look at the safety and quality of hot water installations and determine where opportunities for improvement need to be followed up with the authorised retailer.
Hot water installation guidance sheets
These technical guidance sheets are part of a series we commissioned TechSafe Australia to develop, following our analysis of audits. The Victorian Building Authority has also reviewed this guidance.
They include installation advice and examples of compliant and non-compliant installations relating to the safe drainage of temperature pressure relief valves in reference to these standards, codes and regulations:
- Plumbing Regulations 2018
- National Construction Code volume 3
- Plumbing Code of Australia
- AS/NZS 3500.2:2021 Plumbing and Drainage Part 2: Sanitary Plumbing and Drainage
- AS/NZS 3500.4:2021 Plumbing and Drainage Part 4: Heated Water Services
4.1 Safe drainage of temperature pressure relief valves – Potential hazards or unsafe installations
Use this guidance for help identifying potential hazards or unsafe installations relating to temperature pressure relief valve drainage.
4.2 Safe drainage of temperature pressure relief valves – Methods of compliance
Use this guidance for methods of compliance relating to temperature pressure relief valve drainage.
Also see the Victorian Building Authority website for heat pump technical installation guidance on:
- protecting water from freezing
- support of water heaters or water storage tanks installed other than in a roof space or above a roof
- requirements for the installation of temperature control devices, and pipework heat retention associated with storage heated water systems
- piping associated with storage water heaters.
More information
For other guidance and information installers can use to maintain safety and put industry leading standards into practice, see Solar industry guidance.
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