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 Fluidmaster WC Fill Valve 3/8" Bottom Inlet 400EL delivers reliable and efficient water refill for toilet cisterns. Designed for easy installation and adjustable operation, this valve ensures consistent performance, leak-free operation, and compatibility with a wide range of standard toilets. Ideal for both domestic and commercial plumbing applications.
The Armitage Shanks EV98167 pneumatic dual flush valve (180mm O/F) is a reliable replacement for SV93467. Designed for easy servicing without removing the cistern, it’s compatible with Armitage Shanks, Ideal Standard, and Sottini concealed systems.
The Ideal Standard UV04667 Wire Operated Dual Flush Valve offers an efficient and reliable flushing solution for modern toilets. Designed for dual-flush systems, this valve provides precise water control, helping to conserve water with every use. Its wire-operated mechanism ensures smooth and easy operation, making it a practical choice for both residential and commercial bathrooms.
The Kartell Plan Thermostatic Bar Shower (SHO011PL) features a rigid riser and bath filler spout for safe, consistent temperature control. Its modern design suits contemporary bathrooms and makes installation simple for upgrades or renovations.
The Kartell Pure Thermostatic Bar Shower with rigid riser and bath filler spout offers modern functionality with elegant style. This innovative shower system provides precise temperature control, an integrated bath filler, and a sleek rigid riser for a perfect balance of luxury and convenience in any bathroom.
The Kartell Matt Black Push Button ACC-BB is a stylish replacement button for the ACC001N cistern, designed for durability and smooth operation. Its sleek matt black finish adds a modern, sophisticated touch to contemporary bathrooms.
The Kartell Brushed Brass Push Button ACC-BRS is a premium replacement button for the ACC001N cistern, combining durability with a stylish brushed brass finish. Its sleek, modern design adds a sophisticated touch to contemporary bathrooms.
The Siamp 99T 1/2" brass bottom entry fill valve is a high-performance toilet cistern inlet valve suitable for both high and low water pressure systems. Designed for quiet, efficient operation and long-lasting durability, this universal fill valve is ideal for toilet repairs, replacements and plumbing upgrades across a wide range of cisterns.
The Siamp SP026370 1/2" Plastic Tail Side Float Valve (95L) is a reliable side entry inlet valve designed for ceramic and plastic toilet cisterns. Suitable as a direct replacement, it ensures consistent filling performance and efficient water control for domestic toilet systems. Supplied under product code 30950607.
The Siamp Optima 49 Dual Flush Valve 32499910 delivers efficient, reliable flushing for modern toilet cisterns. Designed for easy installation and universal compatibility, this high-quality dual flush valve provides water-saving control for both full and reduced flushes while ensuring quiet operation and long-lasting performance - ideal for cistern repairs and bathroom upgrades.
The Chrome Round Flush Button SP12169 is a stylish and practical replacement push button designed for concealed cistern systems. With a sleek polished chrome finish and compact 72mm x 72mm design, it provides reliable flushing control while complementing modern bathroom interiors.
The Viva Skylo Bottom Entry Cistern Component Pack (Product Code SKYCP02) is a comprehensive upgrade kit designed for UK toilet cisterns, featuring a bottom‑entry heavy‑duty brass tail fill valve, a dual‑flush valve compatible with 1½″ and 2″ outlets, a universal flush button for lid holes 20 mm–60 mm, and all necessary fixings and washers. This ready‑to‑install pack ensures a reliable, water‑saving solution for cistern repairs or replacements.
The Viva Mechanical Dual Flush Valve SKY020 is a compact, cable‑operated dual flush valve designed for seamless integration into UK toilets. Compatible with both 1½″ and 2″ outlets, it features fully adjustable full and half flush volumes and a single universal button that fits 40mm, 50mm and 60mm holes — offering reliable, water‑saving performance in residential or commercial settings.
The Viva Skylo Dual Entry Cistern Component Pack SKYCP01 provides a complete solution for upgrading or replacing toilet cistern components. The pack includes a dual entry filling valve, dual flush valve, universal button, stainless steel bolt-through kit and foam washer.
The dual entry fill valve can be configured for either bottom or side entry, while the dual flush valve is suitable for 1½" and 2" cisterns. The water-saving delayed fill function and 180-degree rotation float provide flexible installation and efficient cistern operation.
Delivery: Tracked 48 £2.99 (2–3 working days) or Tracked 24 £4.00 (1–2 working days). Free collection from our Wellingborough branch.
The Viva Skylo Flush Valve Seal (SKY095) is a durable replacement for UK toilet cisterns. It provides a reliable, leak-proof seal for dual flush valves, helping maintain efficient water flow and preventing wastage in your bathroom.
The Viva Skylo Bottom Entry Diaphragm Washer (PP00/D) is a precision-engineered replacement for UK cisterns. Designed to provide a secure, leak-free seal at the bottom-entry inlet, it ensures efficient and quiet operation while extending the life of your toilet cistern.
The Viva Cistern Lever Arm PP0008/LA is a sturdy, easy‑fit replacement lever arm designed to connect the cistern handle to your syphon valve in standard UK toilets. Its durable construction ensures smooth flushing action and long‑lasting performance, making it a smart choice for maintenance or upgrades.
The Viva Skylo Bottom Entry Fill Valve PP0020/A is a compact, height‑adjustable inlet valve designed for UK toilet cisterns with a ⅜″ (10mm) euro thread. It features a delayed‑fill mechanism and float shield for quiet, efficient refilling, and fits cisterns with limited space.