Rothenberger PURE H2O M Demineralization Cartridge 4000 l, VDI 2035 / SWKI / OE-Norm Compliant

Heating engineers and facility managers rely on the Rothenberger PURE H2O M demineralization cartridge to fill and top up heating and cooling systems with fully demineralized water. With a capacity of 4000 liters at 10°dH, it prevents limescale, corrosion, and sludge formation, ensuring long-term system efficiency and compliance with VDI 2035, SWKI, and OE-Norm standards.

Key specifications

• Capacity: 4000 liters at 10°dH
• Output water quality: fully demineralized, conductivity < 10 µS/cm
• Max. flow rate: 1000 l/h
• Max. operating pressure: 8 bar
• Max. operating temperature: 40 °C
• Connection size: R 3/4"
• Resin type: high-performance mixed-bed ion exchange resin
• Housing material: robust plastic
• Non-regenerable, disposable cartridge
• Complies with VDI 2035, SWKI, OE-Norm

Why choose it

This cartridge delivers consistent, high-purity water that protects boilers, heat exchangers, and pipework from scale and corrosion. Its high flow rate and large capacity reduce downtime during system filling, while the robust construction ensures reliable performance in demanding environments.

Ideal use cases

• Filling and topping up residential and commercial heating systems
• Water treatment for cooling circuits and industrial processes
• Preventive maintenance to extend the life of boilers and heat pumps
• Compliance with VDI 2035 and OE-Norm requirements for system water quality

Good to know

For optimal results, install the cartridge vertically and monitor conductivity with an external meter. Replace when the output conductivity exceeds the desired limit.