Lead-free drinking water installations: what’s important for HVAC companies in 2026
The requirements for materials in drinking water systems are becoming stricter across Europe. For HVAC companies, specialist wholesalers and planners, this means that the choice of materials for fittings and valves is becoming a strategic issue. This article explains the regulatory changes, the consequences for product selection and how you can prepare your company and your customers with good advice.
What has changed in the lead limit
The EU Drinking Water Directive 2020/2184, which has been transposed into German law, has lowered the limit value for lead in drinking water to 5 micrograms per liter, significantly stricter than the previous value of 10 micrograms. This not only brings old lead pipes into focus, but also taps and fittings that could release lead during operation. Products that were previously considered inconspicuous may suddenly become relevant under the new limit values.
For HVAC companies, this means that only materials that demonstrably meet the new requirements are permitted for new installations, renovations and extensions to drinking water pipes. Those who are not up to date here risk liability problems during acceptance.
Malleable cast iron and the question of lead content
Malleable cast iron is an iron material. Due to its design, it does not contain any lead in the alloy, which distinguishes it from lead-containing brass alloys in this respect. For drinking water installations, this is a factual argument that is becoming increasingly relevant in planning discussions and tenders.
HS Fittings offers DVGW-certified malleable cast iron fittings that are approved for drinking water applications. The certification also includes hygienic safety for the intended use. Details can be found in the associated data sheets and certificate documents.
Stock rotation and stock maintenance in specialist wholesaling
In addition to product selection, the question of stock rotation also arises for specialist wholesalers. Products that were still manufactured on the basis of older material standards or alloy formulations may no longer be legally suitable for new installation in drinking water systems without restriction. It is therefore advisable to carry out a targeted inventory and streamline the product range.
At the same time, this process is an opportunity: those who have switched to future-proof products early on can use this as a sales argument. Craft businesses are increasingly looking for suppliers who take the product selection for drinking water hygiene requirements off their hands and offer certified product ranges.
Press fittings for drinking water: seals and system selection
The question of material also plays a role with press fittings. The AQUAGAS-V press fitting system from HS Fittings is designed for copper pipes in accordance with DIN EN 1057 and is DVGW-certified for drinking water. The HNBR seals used are suitable for contact with drinking water and gas. The dual certification for gas and water simplifies storage and makes the system an economically interesting option for companies with mixed requirements.
Conclusion: Using lead-free drinking water installations as a quality feature
Switching to lead-free materials in drinking water systems is not only a regulatory obligation, but also a quality feature that HVAC companies and wholesalers can actively communicate. With its malleable cast iron and pressfitting products, HS Fittings offers certified solutions for future-proof drinking water installations. If you have any questions about product selection or certificates, please do not hesitate to contact us.
