With this universal UP-Key set you get the keys for all marketable UP measuring capsules which have been mounted over the past decades. This makes the exchange of in-wall water meters problem-free.
You can put together a key set acc. to your own special needs, or complement our universal set.
The universal in-wall key set for a an unproblematic mounting and exchange of in-wall measuring capsule types is the patent-solution for in-wall water meters.