Before removing an old toilet or installing a new one, locate the isolation valve on the cold water supply line (typically near the wall or under the sink).

Turn off the water supply completely to prevent accidental flooding.

After closing the valve, flush the existing toilet to drain residual water from the tank and supply line.

Rough‑in measurement: Measure from the finished wall to the center of the floor waste pipe. Samiyah one‑piece toilets are available for common rough‑ins such as 250mm, 305mm, and 400mm (S‑trap configuration).

Floor level: Ensure the floor surface is flat and level. Use a spirit level; if uneven, use a cement self‑leveler before installation.

Water supply location: The ½‑inch (4‑point) angle valve should be positioned 15–20cm left of the toilet center and 20–30cm above the finished floor.

Space clearance: Allow at least 60cm in front of the toilet and 20cm on each side for comfortable use and maintenance access.

Prepare all necessary materials and tools in advance to avoid delays:

Every Samiyah one‑piece toilet is supplied with a detailed installation manual English and other language versions available. Contact our sales team.

Pay special attention to torque specifications for floor bolts, correct alignment of the waste connection, and sealing instructions.

Following the manual ensures correct functionality, prevents leaks or rocking, and keeps the warranty valid.

For bathrooms with hard water (common in many regions), consider installing an inline filter (available as an optional accessory) to protect the fill valve from scale buildup and extend product life.