The refilling combination serves filling and refilling of closed heating systems to DIN EN 12828:2003. It can be connected in accordance to EN 171...
The refilling combination serves automatic filling and refilling from closed heating systems to DIN EN 12828:2014-07. It can be connected in accordance with EN 1717 permanently with the drinking water supply. The refilling combination combines a CA type backflow preventer, pressure reducing valve and two ball valves in one appliance. The unit consists of all needed devices for refilling a heating installation according to conforming standards are contained.