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Vaillant Flues & Accessories
Shop genuine Vaillant flues and accessories at Plumbco for compatible boiler installations, replacements and repairs. Our range includes Vaillant boiler flues, horizontal and vertical flue kits, flue extensions, telescopic flues, terminals, elbows, plume kits and other flue components.
Whether you're replacing an existing flue, extending a system or looking for a specific component, we stock a selection of Vaillant flue parts in different sizes and configurations. Options include components for compatible 60/100 and 80/125 flue systems, along with complete flue kits and accessories.
Vaillant Flue Components
Choose from Vaillant 45° bends, 87° elbows, flue extensions, telescopic flues, terminals, fixing clamps and support clips. We also stock horizontal and vertical flue components, plume management kits and other accessories for compatible Vaillant boiler systems.
When choosing a Vaillant flue or accessory, always check the boiler model, flue system, diameter, length and compatibility requirements before ordering. Flue components should be installed in accordance with the manufacturer's instructions and applicable installation requirements.
Browse our Vaillant flues and accessories below to find the correct components for your boiler system.
Vaillant 2x45° Elbow Ecotec / Ecomax 303911
303911
The Vaillant 2x45° Elbow Ecotec / Ecomax 303911 enables smooth directional changes in boiler flue installations for Ecotec and Ecomax systems. Designed for quick and secure assembly, these durable 45° elbows provide leak-free and regulation-compliant venting of combustion gases. Ideal for routing flues around obstacles while maintaining safe and efficient boiler performance.
£102.01 incl tax
Vaillant ecoFIT & ecoTEC Rear Flue Kit 0020228140 | 0010039336 Replacement
0020228140
The Vaillant ecoFIT & ecoTEC Rear Flue Kit 0020228140 is a telescopic rear flue system for compatible Vaillant boilers using a 60/100mm concentric flue system. Designed for direct rear exit installations, the telescopic design allows the flue to be adjusted to suit the installation.
Part number 0020228140 is an earlier Vaillant rear flue kit, with 0010039336 listed as its replacement/current equivalent. If you are replacing an existing 0020228140, check your boiler model and flue requirements before ordering.
Part number 0020228140 is an earlier Vaillant rear flue kit, with 0010039336 listed as its replacement/current equivalent. If you are replacing an existing 0020228140, check your boiler model and flue requirements before ordering.
£153.85 incl tax
Vaillant 90 Degree Elbow 303190
303910
Vaillant HE 100mm 90° elbow (Stock Code: 303910) designed for Ecomax and Ecotec boiler flue systems. Ideal for redirecting flue pipework in tight spaces, this durable component ensures efficient exhaust flow and secure installation. Perfect for domestic boiler installations and maintenance requiring reliable Vaillant flue fittings.
£57.65 incl tax
Vaillant Horizontal Terminal 60/100 PP Telescopic 0010039333
0020219518
The Vaillant Horizontal Terminal 60/100 PP Telescopic 0010039333 provides a reliable solution for horizontal flue installations on Vaillant boilers. Designed to ensure safe exhaust of combustion gases, its telescopic design allows flexible installation for a neat and professional finish. Ideal for both domestic and commercial boiler setups, it maintains optimal flue performance.
£144.68 incl tax
Vaillant Vertical Roof Term Wall Plate Black 0020223472
0020223472
The Vaillant Vertical Roof Term Wall Plate Black 0020223472 provides a secure and tidy finish for vertical flue installations. Designed for compatibility with Vaillant boilers, this durable wall plate ensures proper sealing, weather protection, and a professional look on roof or wall-mounted flues. Ideal for both domestic and commercial boiler setups, it helps maintain optimal flue performance.
£183.79 incl tax
Vaillant Flue Extenstion 1.0m 303903
303903
The Vaillant flue duct extension 1000mm (303903) is designed for ecoTEC and compatible Vaillant boilers. It provides a reliable and secure extension for condensing boiler flue systems, ensuring safe installation and optimal performance.
£67.34 incl tax
Vaillant ecoTEC Flue Support Clips 303821
303821
The Vaillant ecoTEC Flue Support Clips 303821 provide a reliable solution for securing flue pipes in Vaillant ecoTEC boiler installations. Made from durable materials, these clips ensure stable, safe, and long-lasting flue support. Ideal for professional installers and DIY users, they help maintain efficient and compliant boiler operation. Shop Plumbco for trusted Vaillant spare parts with fast delivery.
£51.06 incl tax
Vaillant DN 60 Plume Management Kit 10039340 - White
0010039340
The Vaillant DN 60 Plume Management Kit 10039340 is a boiler flue accessory designed to help manage and redirect flue plume from compatible Vaillant boiler installations.
Manufactured from durable polypropylene and finished in white, the kit has a 60mm diameter and 1030mm length. It forms part of Vaillant's Domestic Flues and Flue Accessories range.
Delivery: Royal Mail Tracked 48 £2.99 (2–3 working days) or Tracked 24 £4.00 (1–2 working days). Free collection from our Wellingborough branch.
Manufactured from durable polypropylene and finished in white, the kit has a 60mm diameter and 1030mm length. It forms part of Vaillant's Domestic Flues and Flue Accessories range.
Delivery: Royal Mail Tracked 48 £2.99 (2–3 working days) or Tracked 24 £4.00 (1–2 working days). Free collection from our Wellingborough branch.
£111.82 incl tax
Vaillant HE 125 mm Flue Extension 970 mm 303203
303203
The Vaillant HE 125 mm Flue Extension (970 mm, Part No. 303203) provides a reliable and simple way to lengthen your boiler’s flue system. Compatible with high‑efficiency Vaillant ecoTEC and HE boiler models, its white polypropylene construction and push‑fit connectors make installation quick and secure, while maintaining correct plume discharge for vertical or horizontal configurations.
£101.21 incl tax
Vaillant Commercial Mixing Bottle WH 40 306720
306720
High-quality Vaillant Commercial Mixing Bottle WH 40 (Stock Code: 306720) designed for reliable operation in commercial heating systems. Ensures efficient mixing of water within Vaillant commercial boilers, supporting optimal performance and temperature control. Ideal for installation and maintenance of high-capacity boiler systems.
£661.85 incl tax
Vaillant 303902 Air Flue Extn 470mm
303902
The Vaillant 100mm flue duct extension (470mm, 303902) is designed for use with ecoTEC and compatible Vaillant boilers. It provides a reliable extension for safe and efficient flue system installation in condensing boiler setups.
£54.52 incl tax
Vaillant Wireless Stat VRT350F
105451
The Vaillant VRT350f programmable room thermostat (0020124482) offers precise and energy-efficient heating control for compatible Vaillant boiler systems. Featuring wireless functionality, it helps optimise comfort and reduce energy consumption in modern homes.
£291.88 incl tax
Vaillant Packing Rings 981151 Pack of 10
981151
This genuine Vaillant packing rings kit (981151) includes 10 replacement seals designed for use in the heat exchanger of various Vaillant boilers, including ecoTEC, ecoMAX, TURBOmax, THERMOcompact and aquaPLUS models. Ideal for maintaining secure boiler connections and efficient heating system performance during servicing and repairs.
£8.70 incl tax
Vaillant Pressure Gauge
0020147866
This genuine Vaillant pressure gauge (0020147866) is designed for use in the hydraulics of Vaillant ecoTEC Plus and ecoTEC Pro boilers. A reliable replacement component for monitoring boiler pressure, it helps maintain safe and efficient central heating system performance. Ideal for boiler servicing and repair work.
£27.78 incl tax
Vaillant Service Cock Complete L/R
135752
This genuine Vaillant service cock (135752) left and right 19mm x 22mm is an isolation valve designed for use beneath Vaillant boilers. It allows controlled regulation of water and gas flow within the central heating system and enables full shut-off during servicing, leaks or emergencies. Ideal for boiler installation and maintenance.
£63.31 incl tax
Vaillant Gas Valve Section
0020110996
This genuine Vaillant gas valve section (20110996) is designed to regulate and control gas flow within compatible Vaillant boilers. It ensures safe ignition, stable combustion and efficient heating performance, making it an essential replacement part for boiler servicing and repair work.
£261.87 incl tax
Vaillant Multifunctional Module VR40 0020017744
105450
The Vaillant VR 40 Multifunctional Module 2 (0020017744) is a genuine heating control accessory designed to expand boiler and heating system functionality. Ideal for advanced central heating management, it supports efficient system integration and enhanced performance for compatible Vaillant installations.
£85.28 incl tax
Vaillant Cable
0010030691
The Vaillant 0010030691 cable is a genuine replacement hydroblock wiring component designed for ecoTEC Pro and ecoTEC Plus boilers. It connects key boiler components such as the PCB, thermostats, sensors, and switches, ensuring safe and efficient system control and reliable operation.
£9.78 incl tax
VAILLANT : 0020148381 Description: Gas section with regulator
0020148381
Genuine Vaillant 0020148381 gas section with regulator designed for ecoTEC VU and ecoTEC VUW condensing boilers. A reliable OEM boiler spare for safe and efficient heating performance.
£288.70 incl tax
Vaillant Ecomax knob set
114288
Genuine Vaillant 114288 grey control knobs set (3 pack) compatible with ecoMAX VUW, turboMAX VUW and AquaPLUS VUI boilers. Ideal replacement boiler control knobs for reliable heating system operation.
£12.58 incl tax
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