Refix DD Potable Water Expansion Vessels
Product Description
Key Features & Benefits
Potable Water Certified
Specifically designed and certified for drinking water applications
Residential Sector Specialist
Ideal for homes, apartments, and residential buildings
Water Saving Design
Flow-through system reduces water waste in DHW systems
Hygiene Compliant
Meets strict DIN 1988 hygiene standards for potable water
KTW-A Coating
Interior/exterior coatings comply with German drinking water regulations
Technical Specifications
Capacity Range
8 to 100+ liters (15+ models)
Pressure Ratings
10, 16, or 25 bar options available
Connection Type
Stainless steel G ¾" connections
Color Options
Green (high pressure) & White (standard) versions
Diaphragm Standard
Butyl compliant with W270 & KTW-C regulations
Temperature Limit
Maximum 70°C for cold water systems only
Installation & Configuration
Flow-Through Design
High-flow circulation star for efficient water movement
Complete Kit
Includes required T-piece (Flowjet valve optional)
Bracket Mounting
33L models include mounting brackets
Cold Water Only
Designed exclusively for cold water piping systems
Easy Integration
Standard connections compatible with residential plumbing
Use Cases
- Residential Water Heaters
- Domestic Hot Water Systems
- Water Supply Installations
- Pressure-Boosting Systems
- Potable Water Networks
Product brochure
User Manual
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