The Refix DD 18/10 flow-through expansion vessel is designed for drinking water and pressure boosting or hot water heating systems according to DIN 1988. The membrane construction compensates for the volumetric changes of water during heating and prevents unwanted opening of safety valves. The vessel features stainless steel connections, anti-corrosion internal and external treatment according to KTW-A, and is certified for use with drinking water. It is supplied with a preset pre-charge and a T-piece for easy connection to the storage heater piping.

Main Features

• Flow-through design for drinking water and hot water heating according to DIN 1988
• Membrane according to DIN EN 13831 and DIN 4807 T5 in a hygienic design
• Anti-corrosion design with internal and external coating according to KTW-A
• Certification for drinking water DVGW, ACS, SVGW
• Supplied with T-piece R 3/4" for quick installation (DD 8–33 l)
• Suitable for combination with Flowjet 3/4" flow-through fitting

Technical Specifications