Shop toilet spares and cistern parts at Plumbco. Whether you're repairing a faulty flush, replacing a worn cistern component or upgrading an older toilet, our range includes replacement parts for a wide variety of toilet flushing systems.
Our toilet spare parts include toilet syphons, fill valves, flush valves, push buttons, diaphragms, washers and cistern repair kits. We stock trusted brands including Fluidmaster, Viva, Siamp and Wirquin, with individual replacement components and complete repair kits available.
Toilet Cistern Spares
Find replacement toilet cistern spares for a range of flushing systems, including ball valves, fill valves, flush cones, diaphragms and other cistern components. Whether you need a single replacement part or several components for a complete repair, check the product specifications and compatibility before ordering.
Toilet Flush Parts & Mechanisms
Our range of toilet flush parts includes flush valves, syphons, dual flush mechanisms, push buttons and replacement flush components. Options include bottom-entry and side-entry fill valves, dual flush valves and adjustable or universal parts designed to suit different toilet cisterns.
Browse our toilet spares below to find the replacement parts you need for your toilet or cistern repair.
The Viva Skylo Bottom Entry Fill Valve (PP0020) is a high-quality inlet valve for UK toilet cisterns. Designed with a ½″ (15mm) thread, it features adjustable height, a float shield, and a delayed-fill mechanism to ensure efficient, quiet, and water-saving operation in compact spaces.
The Viva Skylo Side Entry Fill Valve (PP0012) is a compact, high‑performance inlet valve designed for standard UK cisterns. With a ½″ (15mm) thread, rotating float shield, water‑saving delayed fill and a working pressure range from 0.3 to 16 bar, it provides quiet, efficient refilling and fits neatly into constrained cistern spaces.
The Viva Studio Doughnut Washer (Product Code PP0022) is a precision‑moulded foam ‘O’‑ring washer designed for close‑coupled WC cistern‑to‑pan connections. With dimensions suited to many Ideal Standard and Armitage Shanks toilets, it fits into the pan recess beneath a flat coupling plate to deliver a secure, watertight seal and minimise maintenance issues.
A durable douche valve designed for controlling water flow to bidet spray and handheld hygiene systems. Ideal for modern UK bathrooms requiring reliable shut-off and precise control.
A practical white dual push button flush plate designed for use with compatible concealed cisterns. Featuring a cable-operated mechanism, it provides reliable dual flush control while complementing modern bathroom and cloakroom designs.
The Viva Syphon C Link Kit (product code AS01/CL) provides a set of three C‑links—2", 3" and 4"—designed to fit between the cistern lever and toilet syphon, making flush linkage easy and versatile for UK bathroom installations.
A premium brushed brass dual push button cover designed to enhance concealed cistern installations. Combining contemporary styling with a luxurious finish, it provides an elegant upgrade for modern bathrooms, en-suites and cloakrooms.
The Ideal Standard E4447AA Chrome-Plated Dual Flush Push Button Pack is a replacement actuator pack designed for compatible concealed toilet cisterns. Featuring a polished chrome-plated finish, it provides a smart, practical solution for bathroom repairs and replacement flush controls.
Designed for dual flush operation, the push button supports full and reduced flush functions on compatible systems, helping users manage water consumption. It is specified for use with the Geberit E003167 long-tail flush valve and Geberit SV68067 short-tail flush valve, making it important to check your existing flush valve model before ordering.
With a compact design measuring 48mm high and 37mm wide, the Ideal Standard E4447AA is suitable for compatible concealed cistern installations in domestic and commercial washrooms.
The Viva Skylo Air‑Gap Concealed Toilet Cistern SKYCC002 is a compact, space‑saving unit measuring 320 × 350 × 140 mm designed for concealed installation. Supplied complete with a delayed air‑gap fill valve and water‑saving dual flush valve, this all‑in‑one kit also includes flush pipe, pan seal and mounting bracket for quick, reliable installation.
A sleek matt black dual push button cover designed for cable-operated concealed cisterns. Perfect for modern bathrooms, it offers a bold, contemporary finish while ensuring smooth and reliable dual flush control.
The Viva Skylo UNI/SD Diaphragm Washer is a replacement component for compatible Viva Skylo dual-entry toilet cistern fill valves. Designed to replace a worn or damaged diaphragm, it helps restore reliable operation of the fill valve and maintain the correct flow of water into the cistern.
If your toilet cistern is slow to refill or the fill valve is not operating correctly, a damaged diaphragm may be one possible cause. Replacing the diaphragm washer can be a practical repair option without necessarily needing to replace the complete fill valve.
This replacement washer is designed for use with the Viva Skylo Dual Entry Fill Valve models UNI/B and UNI/P. Check the model of your existing valve before ordering to ensure the washer is compatible.
Please note: This listing is for the replacement diaphragm washer only. The complete fill valve is not included.
A premium brushed brass dual push button cover designed for rod-operated concealed cisterns. With its warm metallic finish, it delivers a stylish upgrade while ensuring smooth and reliable dual flush functionality for modern bathrooms.
A modern matt black dual push button cover designed for rod-operated concealed cisterns. With its bold, contemporary finish, it delivers smooth dual flush control while enhancing the look of stylish, modern bathroom interiors.
The Viva Skylo Spare Washer Pack (Product Code SKY100) is a compact service kit containing a replacement flush valve seal plus fill‑valve diaphragm washers for the complete Viva Skylo cistern range. With all key seals included, it makes refurbishing leaky cisterns quick and effective.
A durable white overflow ring designed for concealed and exposed toilet cistern systems. It provides a clean, reliable finish while helping regulate water overflow, ensuring efficient and dependable cistern performance in modern bathroom installations.
A premium brushed brass oval overflow ring designed for concealed and exposed toilet cisterns. Offering a stylish metallic finish, it delivers reliable overflow control while adding a refined, modern touch to luxury bathroom installations.
The Viva Syphon Diaphragm Washer (AS01/D) (product code PP0008D) is a precision‑moulded replacement diaphragm washer designed specifically for the Viva AS01 range of height‑adjustable dual‑flush toilet syphons. Its generous 130 mm by 77 mm size and 80 mm hole centre ensure a perfect fit and reliable sealing performance in UK bathroom cisterns.
A sleek matt black oval overflow ring designed for modern concealed and exposed cisterns. Combining durability with a bold contemporary finish, it ensures reliable overflow control while enhancing the look of stylish bathroom installations.
The Viva Internal Flush Cone (Clear) PP0004/A is a transparent sealing cone designed to sit inside the back of a WC pan, forming a reliable seal between the flush pipe and the pan inlet. Its clear plastic construction allows easy alignment and it fits typical flush pipe diameters for a leak‑resistant installation.
A durable white oval overflow ring designed for concealed and exposed toilet cisterns. It provides reliable overflow control with a clean, neutral finish, making it ideal for modern bathroom installations and replacement plumbing applications.