Pair Inlets with NRV's, Nuts & Mesh Washers For Bath Taps / Shower Mixer Valves

Unscrew the Mixer from its connections or legs (pillars). Look inside the inlets and you should see a hexagonal shape for a large Allen Key. It might be 10mm or 12mm?. Unscrew the inlet which has opposite thread (turn clockwise to undo it).