Grohe 18121000 Pillar Unions
The Grohe 18121000 pillar unions are connection fittings used to link exposed mixers or valves to wall-mounted pipework. They allow alignment adjustment during installation.
Function
Pillar unions provide a sealed yet adjustable connection point. Worn seals or damaged threads can cause leaks at the wall connection.
Installation Notes
Ensure correct spacing and use appropriate sealing washers when fitting.
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