Toilet cistern flush valve single flush

Traditional single-flush performance, built to last

This single-flush cistern valve (syphon) offers dependable, splash-free flushing and effortless operation with a classic lever handle. Designed for everyday reliability, it features robust materials, an adjustable overflow and serviceable internals so your toilet runs perfectly for years.

Key Features

• Universal connection: fits standard G 1½″ cistern outlets; compatible with most ceramic cisterns (high level, low level and close-coupled)
• Powerful single flush: efficient syphon action clears the bowl cleanly
• Adjustable overflow: fine-tune water level to suit your installation
• Quiet & durable: engineered for smooth operation and long service life
• Easy maintenance: top-access design with replaceable seals

Finish Matching & Styling

As an internal mechanism, the valve is hidden inside the cistern. For the visible controls, pair it with our traditional cistern handles or wall plates available in chrome, brass, nickel, bronze, copper and gold. Copper & Gold are crafted to order — 30 days production.

What’s Included

• Single-flush valve (syphon) body
• Backnut and sealing gaskets for installation
• Adjustable overflow assembly

Installation Notes

• Connect to a standard lever mechanism; ensure a level, watertight fit on the G 1½″ outlet
• Set overflow height to suit cistern; test for proper flush and refill
• Compatible with most UK/EU ceramic cisterns—check outlet size before ordering

Care

Periodically inspect seals and the overflow setting. Replacement seals are available if ever required.