Flues & Accessories

Genuine Vaillant Pressure Relief Valve Mounting Kit 0020094185 for compatible Vaillant boilers. This replacement mounting kit secures the pressure relief valve, supporting safe installation and reliable heating system operation.

Genuine Vaillant Full Gas Valve 20110998 replacement for compatible Vaillant boilers. This essential boiler gas valve regulates the flow of gas to the burner, ensuring safe, efficient and reliable heating system performance.

The Vaillant Diverter Valve with Adapter 0020132682 has been discontinued and replaced by diverter valve 0020132683 and cable adaptor 0020270733. Designed for compatible ecoTEC VUI and ecoTEC VUW condensing boilers.

The Honeywell Home Sundial Wiring Centre 42005748‑001 is a dedicated junction box designed for domestic central‑heating control systems. With 37 clearly labelled single‑wire terminals, a fire‑retardant PC‑ABS enclosure and support for S‑Plan, Y‑Plan and C‑Plan configurations, it streamlines installations and helps reduce wiring errors.

Genuine Vaillant 0020133816 Ignition Electrode for compatible ecoTEC VU, VUI, VUW and Guernsey/Jersey condensing boilers. This replacement spark electrode creates the ignition spark required for safe and reliable boiler combustion.

The Honeywell Home Actuator for V4073A (stock code 117053 / manufacturer’s 40003916‑003/U) is a direct‑replacement motorised actuator designed for use with Honeywell V4073A mid‑position three‑port valves. It provides smooth operation, quiet performance and a hassle‑free installation - ideal for trade professionals and maintenance tasks requiring a quick repair without draining down the system.

Genuine Vaillant 0020135119 Ignition Cable for compatible ecoTEC VU, VUI, VUW and Guernsey/Jersey condensing boilers. This replacement ignition lead connects the electrode system to support reliable spark generation and safe boiler ignition.

Genuine Vaillant ecoTEC Plus Fan 20135138 replacement for compatible Vaillant boilers. This boiler fan controls combustion airflow and flue gas extraction, helping maintain safe, efficient and reliable boiler operation.

The Viva 2″ Foam Doughnut Washer (product code PP0035) is a precision‑moulded foam gasket designed to sit between a close‑coupled cistern and pan, creating a reliable water‑tight seal. With an outer diameter of 105 mm and inner diameter of 70 mm, this simple yet essential part helps prevent leaks and maintains your toilet installation with minimal effort.

The Altecnic Ecofil Plus Filling Loop CA-300611 (15mm) includes caps and collars for secure installation. Designed for safe boiler pressure top-up, it’s suitable for central heating systems and compliant plumbing installations.

Genuine Vaillant 0020144602 Condensate Hose replacement for compatible ecoTEC VU, VUW, VUI and Guernsey/Jersey condensing boilers. Designed to safely carry condensate away from the boiler for reliable drainage and efficient operation.

The Poly Tank Washer 1" (PWATAN367441) is a high-quality replacement washer designed to provide a secure, leak-free seal for water tank and plumbing connections. Ideal for both domestic and commercial applications, this durable washer ensures reliable performance and prevents leaks in tanks, cisterns, and pipe fittings. Perfect for quick DIY repairs or professional plumbing projects, it guarantees long-lasting efficiency. Shop Plumbco for trusted plumbing components with fast delivery.

Genuine Vaillant Discharge Vessel 0020145563 replacement component for compatible Vaillant boilers. Designed to support safe water discharge within the heating system, helping maintain reliable boiler operation and system performance.

The Tower TGDOF843 is a robust 8″ × 4″ × 3″ overflow terminal guard with a brown, plastic‑coated steel mesh design that resists corrosion and offers long-term protection. It’s specifically made for condensing boilers to safely shield low-level discharge points, in line with Building Regulations Document G3.

Genuine Vaillant 0020176262 Pump replacement for compatible Vaillant boilers. This circulation pump moves heated water around the central heating system, helping maintain efficient heat distribution and reliable boiler performance.

The Top Hat Washer 1/2" (PWATAP370293) is a durable and reliable plumbing washer designed for secure pipe connections and leak-free installations. Easy to fit, it ensures a tight seal in a variety of plumbing systems, making it an essential component for both trade professionals and DIY plumbing projects.

Genuine Vaillant Fan Assembly Kit 20181941 (0020181941) replacement for compatible Vaillant boilers. This boiler fan assembly controls combustion airflow and flue gas removal, supporting safe, efficient and reliable boiler operation.

The CGDK6BR Terminal Guard (11" diameter × 9") is a robust, plastic-coated steel guard designed to protect low-level boiler discharge points. Its durable construction resists corrosion and ensures long-lasting performance, providing a safe and compliant solution for condensing boilers and other heating systems.

Genuine Vaillant VR71 5 Relay Output Wiring Centre 0020184847. Designed to work with the VRC700 heating controller and VR70 module, enabling control of multi-zone heating systems for improved efficiency and system management.

The Doughnut Washer for Cistern – Rubber (1621) provides a reliable, leak-proof seal for toilet cisterns. Its flexible rubber construction ensures a snug fit, prevents leaks, and is easy to install, making it an essential replacement part for maintaining efficient and hygienic cistern operation.