“Left” can describe two different things: where the faucet hole is formed or where the bowl sits in a wider top. The CADIA F4530 Left Tap Hole, Centre Tap Hole and Right Tap Hole are three 450 × 300 × 150 mm tap-hole variants. By contrast, E81 Left refers to an offset basin layout. State both choices separately on the order.
Check the faucet against the exact ceramic drawing
Mark the tap hole centre and the bowl's usable area from the selected drawing. Compare them with the proposed faucet base, spout reach and handle movement. A photograph can show which side the hole is on, but it cannot establish the clearance needed by a particular faucet.
Add the wall and mirror conditions
Show the finished wall line, backsplash or mirror edge and any nearby cabinet side on the same plan. Check that the faucet can be installed and operated without hitting those surfaces. If a wall-mounted faucet is planned, confirm whether a deck tap hole is wanted at all rather than assuming it can be ignored.
Specify the variant in writing
Put the complete model name, tap-hole side, faucet reference and approved drawing revision on the purchase order. Ask the supplier to confirm any hole size or location that the drawing does not state clearly. Check the sample with the actual faucet before the cabinet is repeated across a project.
F4530 measurements and variants come from the CADIA product data. Faucet dimensions and installation clearances are buyer-supplied checks.
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