Grant Blue System Extension 1000mm (100mm)
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Grant Blue System Extension 1000mm (100mm)
(Approx. 3-5 working days)


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This 1000mm extension is part of the Grant EZ-Fit Blue System and provides a full metre of additional length for single-wall external plume or flue runs on oil boilers between 26kW and 70kW. It is used in installations where a long uninterrupted section is required, such as rising up external walls or bridging extended distances before connecting to elbows or terminals.
The extension locks into the 100mm Blue System using the included band, giving the run structural consistency and reducing the need for multiple smaller sections. Its length is often chosen when a cleaner, straighter layout is preferred—particularly in boiler-house setups or outdoor module installations where visual alignment and mechanical rigidity are important.
Integrated into the complete Blue System range, this extension pairs seamlessly with plume diverter kits, directional fittings, wall brackets and high-level or vertical terminals within the Oil Boiler Flues category. Standard flue-planning considerations apply, including the 6m maximum vertical plume rise and deduction for every 45° elbow placed in the route.
- Adds a 1000mm fixed length to Blue System layouts
- Suitable for 26–70kW Grant oil boiler installations
- Helps create long straight plume or flue runs
- Supports stable external vertical or horizontal routing
- Locking band supplied for secure installation
| Brand | Grant |
|---|---|
| Applicable Standards | CE Approved |
| Connection Type | Push-fit / Locking Band |
| Diameter | 100 mm |
| Height | 100 mm |
| Includes | Locking Band, 1000mm Extension |
| Length | 1000 mm |
| Model Name / No | GPD1000EXT/200 |
| Pack Quantity | 1 Per Box |
| Weight | 2 kg |
| Sold Per | Each |
| Suitable For | Grant oil boilers 26–70kW |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.
This 1000mm extension is part of the Grant EZ-Fit Blue System and provides a full metre of additional length for single-wall external plume or flue runs on oil boilers between 26kW and 70kW. It is used in installations where a long uninterrupted section is required, such as rising up external walls or bridging extended distances before connecting to elbows or terminals.
The extension locks into the 100mm Blue System using the included band, giving the run structural consistency and reducing the need for multiple smaller sections. Its length is often chosen when a cleaner, straighter layout is preferred—particularly in boiler-house setups or outdoor module installations where visual alignment and mechanical rigidity are important.
Integrated into the complete Blue System range, this extension pairs seamlessly with plume diverter kits, directional fittings, wall brackets and high-level or vertical terminals within the Oil Boiler Flues category. Standard flue-planning considerations apply, including the 6m maximum vertical plume rise and deduction for every 45° elbow placed in the route.
- Adds a 1000mm fixed length to Blue System layouts
- Suitable for 26–70kW Grant oil boiler installations
- Helps create long straight plume or flue runs
- Supports stable external vertical or horizontal routing
- Locking band supplied for secure installation
| Brand | Grant |
|---|---|
| Applicable Standards | CE Approved |
| Connection Type | Push-fit / Locking Band |
| Diameter | 100 mm |
| Height | 100 mm |
| Includes | Locking Band, 1000mm Extension |
| Length | 1000 mm |
| Model Name / No | GPD1000EXT/200 |
| Pack Quantity | 1 Per Box |
| Weight | 2 kg |
| Sold Per | Each |
| Suitable For | Grant oil boilers 26–70kW |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.


