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Vaillant 80/125 mm Sliding Sleeve | 303215 | ecoTEC Flue Accessory
Regular price
£61.70
Inc. VAT
£51.42
Exc. VAT
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The Vaillant 80/125 mm Sliding Sleeve is a genuine Vaillant flue accessory designed to make the installation, adjustment and future servicing of an 80/125 mm concentric air/flue system simpler. It allows the flue pipework to be connected and disconnected cleanly, making it especially useful for flue repairs, extensions and installations where access is restricted.
Manufactured for use with compatible Vaillant ecoTEC commercial boiler installations, this sliding sleeve helps create a secure, professional flue connection while supporting correct removal of combustion gases. It is a practical choice for Gas Safe registered installers, heating engineers and homeowners arranging a boiler flue installation or upgrade.
80/125 mm
Flue diameter
303215
Vaillant part number
PPs
Sliding sleeve material
ecoTEC
Compatible systems
Concentric
Air/flue application
Trade
Installer friendly design
Useful information: The sliding sleeve is intended to provide straightforward installation and disconnection of the air/flue pipe from the boiler, which can save time during commissioning, servicing or future maintenance.
Compatibility note: This sleeve is for 80/125 mm diameter Vaillant concentric air/flue systems. Always confirm the required flue configuration and component compatibility against the installation instructions for the specific Vaillant boiler before ordering.
Safety and installation: Flue components must be installed in accordance with the boiler manufacturer’s instructions and applicable UK requirements. Installation and commissioning should be carried out by a competent, Gas Safe registered engineer.
Key Features
Genuine Vaillant Component
Designed as part of the Vaillant 80/125 mm flue system, helping ensure a correctly matched connection for compatible boiler installations.
Simplifies Flue Installation
The sliding sleeve enables easier connection and disconnection of the flue pipework, particularly where space or movement is limited.
Ideal for Repairs
A practical solution for flue run repairs or joining flue sections in awkward to reach locations.
Supports Servicing
Makes future access to the air/flue connection more straightforward, supporting routine boiler servicing and maintenance.
Durable PPs Construction
Manufactured in polypropylene (PPs) for a lightweight, robust flue accessory suitable for domestic and commercial heating installations.
Professional Finish
Helps installers achieve a neat, secure and compliant looking concentric flue connection as part of a complete Vaillant system.
Technical Specifications
Frequently Asked Questions
BTU & WATT Calculator
Room Dimensions
Room Type
Living Room
Bedroom
Kitchen
Bathroom
Conservatory
Hallway
Glazing Type
Single Glazed
Double Glazed
Triple Glazed
External Walls
0 Wall
1 Wall
2 Walls
3 Walls
4 Walls
Insulation Level
Poor
Average
Good (New Build)
Required Heating
0
Watts
0
BTUs
Tools & Kits
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