
FillWIN
Heating water purification system
Chemical Free Environmentally Friendly Protects Heating Systems
The FillWIN is used to initially fill any heating system with large volumes of demineralised water. Once filled the AQA therm HES unit and cartridge manage any required top up of system water to the correct water quality is always added, ensuring system performance and longevity.
KEY FEATURES AT A GLANCE
- VDI2035 standard for the prevention of scale corrosion in heating systems
- Low conductivity and low risk of electrolytic action between dissimilar metals
- Range of cartridge sizes available for AQA therm HES unit
- Eco-friendly, safe and chemical-free


You're in control with the MyComfort App
Controlling your heating system has never been easier
Click to visit myComfort
You're in safe hands with the Windhager 365 Service Plan
Peace of mind has never been easier
Click to visit Service and Aftercare