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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 Connection Tube
0020068958
The Vaillant 0020068958 Connection Tube is a genuine boiler spare part designed for reliable performance in domestic heating systems. Ideal for servicing and repairing compatible Vaillant boilers, this connection tube helps maintain efficient flow within the system and supports long-term boiler reliability. Suitable for heating engineers and replacement maintenance work.
£63.22 incl tax
Vaillant Heat Exchanger 064950
064950
The Vaillant 064950 Domestic Hot Water Heat Exchanger is a genuine replacement component designed for TURBOmax VUW fan-assisted boilers. It efficiently transfers heat to provide consistent domestic hot water performance, making it essential for boiler servicing, repairs, and maintenance. Ideal for restoring system efficiency and ensuring reliable hot water output in compatible Vaillant heating systems.
£162.18 incl tax
Vaillant Automatic De-Aerator 1375348
0010033857
The Vaillant ecoTEC Plus / ecoTEC Pro Automatic Air Vent 0010033857 has been discontinued and replaced by 0020213142. This genuine Vaillant automatic air vent was designed to release trapped air and maintain efficient heating system performance.
Call for pricing
Vaillant Ball Filter Valve 28mm
0010038133
Genuine Vaillant 28mm Ball Filter Valve 0010038133 replacement component for compatible Vaillant heating systems. Designed to provide reliable water flow control and filtration, helping protect boiler performance and system efficiency.
£51.05 incl tax
Vaillant Black Horizontal Flue Terminal Kit DN 60 PP – 0010039348
0010039348
The Vaillant Black Horizontal Flue Terminal Kit DN 60 PP (0010039348) is a genuine Vaillant flue accessory designed for compatible Vaillant boiler flue systems. Finished in black, this terminal kit offers a coordinated appearance for installations where a black flue accessory is required.
Manufactured from polypropylene, the Vaillant flue terminal is part of the manufacturer's domestic flue and flue accessories range. Its compact design makes it a practical component for compatible boiler flue installations.
Before purchasing, check your boiler model and existing flue configuration against Vaillant's compatibility guidance to ensure this terminal kit is suitable for your installation.
Please note: Boiler flue components are safety-critical and must be selected and installed in accordance with the manufacturer's instructions and applicable regulations by a suitably qualified heating professional.
Manufactured from polypropylene, the Vaillant flue terminal is part of the manufacturer's domestic flue and flue accessories range. Its compact design makes it a practical component for compatible boiler flue installations.
Before purchasing, check your boiler model and existing flue configuration against Vaillant's compatibility guidance to ensure this terminal kit is suitable for your installation.
Please note: Boiler flue components are safety-critical and must be selected and installed in accordance with the manufacturer's instructions and applicable regulations by a suitably qualified heating professional.
£42.07 incl tax
Vaillant Service Cock Replacement Part – 0020010291
0020010291
The Vaillant Service Cock 0020010291 is a genuine replacement boiler component designed for compatible Vaillant VUW and ecoTEC Plus boiler models. Manufactured from brass, this service cock is used to control water flow during boiler servicing and maintenance.
Supplied with the required O-rings and screw, this replacement component provides the parts needed for installation in compatible boiler systems.
Boiler Compatibility
The Vaillant 0020010291 Service Cock is listed as suitable for the following boiler ranges:
Vaillant VUW models manufactured between 2005 and 2010
Vaillant VUW models from 2012 onwards
Vaillant ecoTEC Plus 824 to 937 models
Always check your boiler's exact model and appliance identification before ordering to ensure compatibility.
Supplied with the required O-rings and screw, this replacement component provides the parts needed for installation in compatible boiler systems.
Boiler Compatibility
The Vaillant 0020010291 Service Cock is listed as suitable for the following boiler ranges:
Vaillant VUW models manufactured between 2005 and 2010
Vaillant VUW models from 2012 onwards
Vaillant ecoTEC Plus 824 to 937 models
Always check your boiler's exact model and appliance identification before ordering to ensure compatibility.
£47.92 incl tax
Vaillant 0020010292 Replacement Handle Set (Pack of 2)
0020010292
The Vaillant 0020010292 Replacement Handle Set contains two replacement handles for compatible Vaillant boiler models.
Designed for use with selected Vaillant ecoTEC boilers, this genuine manufacturer spare part is suitable for replacement and maintenance where the correct handle is required.
Designed for use with selected Vaillant ecoTEC boilers, this genuine manufacturer spare part is suitable for replacement and maintenance where the correct handle is required.
£7.81 incl tax
0020010293 - Vaillant flexible tube (filling loop)
0020010293
Genuine Vaillant Capillary Pumped Loop Flexible Tube Silver 20010293 replacement component for compatible Vaillant boilers. This flexible water pipe allows reliable water flow connections within the heating system and boiler pipework.
£24.86 incl tax
VAILLANT : 0020010294: VALVE
0020010294
Genuine Vaillant ecoTEC Plus VUW and ecoTEC Exclusive Valve Kit 0020010294 for compatible combi boilers. This replacement diverter valve kit controls hot water flow between central heating and domestic hot water systems.
£22.75 incl tax
Vaillant Valve (Filling Link)
0020010295
Genuine Vaillant ecoTEC Plus VUW / VUI Cold Water Valve 0020010295 replacement diverter valve for compatible condensing combi boilers. Designed to control water flow between heating and hot water systems for reliable boiler performance.
£44.61 incl tax
Vaillant Ecotec Service Cock
0020010296
Genuine Vaillant ecoTEC Exclusive / ecoTEC Plus VU and VUW Service Cock Kit 0020010296. This replacement isolation valve kit controls water and gas flow during servicing, maintenance and emergency shut-off situations.
£49.25 incl tax
Vaillant Plate Heat Exchanger 13 Plate
0020020018
Genuine Vaillant Domestic Hot Water 13 Plate Heat Exchanger 0020020018 for compatible Vaillant combi boilers. This replacement secondary heat exchanger transfers heat between heating and hot water systems for reliable hot water performance.
£125.54 incl tax
Vaillant 837 Secondary Heat Exchange
0020025041
Genuine Vaillant Domestic Hot Water Heat Exchanger 0020025041 for ecoTEC Plus 837 and ecoTEC Plus 937 combi boilers. This secondary heat exchanger transfers heat between heating and hot water systems for efficient domestic hot water performance.
£198.69 incl tax
Vaillant PCB Borad (Turbomax)
0020034604
Genuine Vaillant Thermocompact VU / Turbomax Pro VUW Printed Circuit Board 0020034604 replacement. This boiler PCB controls sensors, switches and safety functions, acting as the central control unit for reliable appliance operation.
£293.57 incl tax
Vaillant Burner Gasket Set
0020038679
Genuine Vaillant 0020038679 Sealing Gasket Kit for compatible Vaillant wall-hung boilers. This replacement gasket set provides secure, leak-tight seals for internal boiler components and pipework connections during servicing and repairs.
£16.00 incl tax
Vaillant Printed Circuit Board
0020046177
Genuine Vaillant Printed Circuit Board 0020046177 replacement component for compatible Vaillant boilers. This boiler PCB acts as the appliance control centre, monitoring and managing sensors, switches and thermostats for reliable operation.
£249.63 incl tax
Vaillant 0020048969 Grey Boiler Control Knobs - Pack of 3
0020048969
The Vaillant 0020048969 Grey Control Knobs are a genuine replacement set supplied as a pack of 3. Designed for compatible Vaillant ecoTEC boilers, these replacement knobs restore manual control via the boiler's front control panel.
Suitable for a range of Vaillant ecoTEC plus and VU/VUW/VUI boiler models, including selected 600, 800 and 900 series appliances. Please check the model information below to confirm compatibility before ordering.
Suitable for a range of Vaillant ecoTEC plus and VU/VUW/VUI boiler models, including selected 600, 800 and 900 series appliances. Please check the model information below to confirm compatibility before ordering.
£14.74 incl tax
Vaillant Water Pressure Sensor
0020059717
Genuine Vaillant Ecocraft VKK / ecoTEC Plus VU / VUW Water Pressure Sensor 0020059717. This boiler safety component monitors system water pressure and communicates with the PCB to support safe ignition and efficient appliance operation.
£20.40 incl tax
VAILLANT 0020068957 CONNECTION TUBE, CPL.
0020068957
Genuine Vaillant 0020068957 Connection Tube replacement component for compatible ecoTEC and ecoTEC Plus boilers. Designed to provide reliable fluid transfer between internal boiler components, helping maintain efficient heating system operation.
£78.69 incl tax
Vaillant Turbomax Divertor Valve
0020073799
Genuine Vaillant Turbomax Plus Diverter Valve 0020073799 replacement for compatible Turbomax Plus combi boilers. This essential boiler valve directs water between central heating and domestic hot water for reliable system performance.
£147.20 incl tax
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