The plumbing industry in New Zealand is on the cusp of a significant transformation as new legislation set to take effect in 2026 aims to reduce lead content and improve corrosion resistance in plumbing products. This change, part of the 2022 Building Code update, will have far-reaching implications for manufacturers, suppliers, and plumbers across the country.
Understanding the New Regulations
The 2022 Building Code update amended Acceptable Solution G12/AS1 Water Supplies to limit the maximum allowable lead content and establish corrosion resistance properties for certain plumbing products. These changes are designed to enhance water quality and public health by reducing potential lead exposure through drinking water.
Starting May 1, 2026, any product containing copper alloy intended for use in contact with potable water for human consumption must comply with the new standards. This legislation aligns New Zealand's regulations with similar changes implemented in Australia, creating a unified approach to plumbing product safety across the Tasman.
Impact on the Plumbing Industry
The new regulations will necessitate a significant overhaul of existing plumbing practices and products. Many commonly used fittings, valves, and pipes may need to be replaced or updated to meet the new standards. This transition presents both challenges and opportunities for the industry.
Pipeline Solutions
The legislation will have a substantial impact on pipeline solutions throughout New Zealand. Plumbers and contractors will need to reassess their inventory and potentially replace a large portion of their stock with compliant alternatives. This shift may lead to increased demand for materials like copper, stainless steel, and dezincification-resistant (DZR) brass.
De-zincification Resistant Products
One of the key changes in the industry will be the move towards de-zincification resistant products. De-zincification is a form of corrosion that affects brass fittings, causing them to weaken over time. The new regulations emphasize the importance of using DZR materials to ensure the longevity and safety of plumbing systems.
Solutions and Alternatives
As the industry adapts to these new requirements, several alternative materials and products are gaining prominence:
- Copper: Known for its durability and natural antimicrobial properties, copper remains a popular choice for plumbing systems.
- Stainless Steel: Offering excellent corrosion resistance and strength, stainless steel is becoming increasingly popular in plumbing applications.
- DZR Brass: Dezincification-resistant brass provides the familiar properties of traditional brass with enhanced corrosion resistance.
- Ball Valves: Many existing ball valves will need to be replaced with DZR alternatives to comply with the new regulations.
Preparing for the Transition
With the 2026 deadline approaching, it's crucial for plumbing professionals to start preparing now. This may involve:
- Auditing current inventory to identify non-compliant products
- Researching and sourcing compliant alternatives
- Updating knowledge and skills related to new materials and installation techniques
- Communicating with clients about the upcoming changes and potential need for system upgrades
Industry Resources
New Zealand is currently facing a significant shortage of qualified plumbers, with the industry requiring approximately 2,000 more skilled professionals to meet demand. This shortage is affecting various parts of the country, with some areas experiencing acute scarcity of plumbing services.
Several factors contribute to this shortage:
- The ongoing construction boom, which has continued beyond expectations.
- The impact of the COVID-19 pandemic on workforce availability.
- An aging workforce, with many experienced plumbers reaching retirement age.
- A historical reluctance to take on apprentices following the 2008 global financial crisis.
The shortage is so severe that in some areas, like Wellington, customers may have to wait months instead of days for a plumber. This situation is exacerbated by increased demand for services such as bathroom renovations.
To address this issue, there has been a push to attract more people to the plumbing trade. The government's Apprenticeship Boost subsidy has led to a 60% increase in new plumbing apprenticeships from 2020 to 2021. However, industry leaders argue that ongoing financial support is needed to ensure a steady pipeline of new talent.
The plumbing industry offers excellent career prospects, with good earning potential and the opportunity for self-employment. With the current shortage and upcoming regulatory changes, skilled plumbers who are well-versed in new standards and materials are likely to find themselves in high demand.
Looking Ahead
While the transition to lead-free and corrosion-resistant plumbing products may present initial challenges, it ultimately promises long-term benefits for public health and infrastructure longevity. The plumbing industry in New Zealand has an opportunity to lead the way in adopting safer, more sustainable practices.
As we approach 2026, staying informed about the latest developments and available solutions will be crucial. Plumbing professionals should consider attending industry workshops, consulting with suppliers, and regularly checking resources like www.waterworksnz.co.nz for updates on compliant products and best practices.
The 2026 legislation marks a new era for New Zealand's plumbing industry. By embracing these changes and proactively adapting to new standards, plumbing professionals can ensure they're well-positioned for success in this evolving landscape. The time to prepare is now – the future of plumbing in New Zealand is lead-free, corrosion-resistant, and built to last.
If you want to know more about our products and which would be perfect for your next project, why not get in touch with us at Waterworks.
