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0901443

0901443

Union seal washer(10 pieces), 1/2"

Product Description

The refilling combination serves filling and refilling of closed heating systems according to DIN EN 12828:2014-07. It can be connected in accordance with EN 1717:2000 permanently with the drinking water supply. The refilling combination combines a BA 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.