Prima Plus is a high quality 316L stainless steel single wall flue system with a wall thickness of 0.6mm. It is designed for use on gas and oil burning stoves and boilers with continuous operating temperatures up to 450°C and short firing up to 600°C. With the addition of a gasket to the joint, Prima Plus is designed for fluing condensing gas and oil appliances with positive pressures up to 200Pa, continuous operating temperatures up to 160°C and short firing up to 200°C.
Residential & commercial applications
Fluing condensing boilers
Relining existing chimneys for stoves, boilers or open fires
Connection between stoves or boilers and chimneys
Venting warm air gas and oil heaters and for particle/fume extraction system
High performance multipurpose single wall for atmospheric, and condensing applications and chimney linings.
High performance multipurpose single wall for multi-fuel applications and chimney linings.
Helpful sections for chimney installers
Basic data (dimensions, weight & co.) | |
Wall thickness per diameter (internal) |
0,6 - 1,0 mm |
Application | |
Flue gas temperature (wet) |
≤ 600 °C |
Flue gas temperature (dry) |
≤ 600 °C |
Material (Inner liner) |
AISI 316L-EN 1.4404 |
Material (Outer case) |
Material No.: 1.4404 |
General product features | |
Performance features |
T600 N1 D V3-L50060 G, T600 N1 W V2-L50060 O, T400 N1 D V3-L50060 G, T400 N1 W V2-L50060 O, T200 N1 W V2-L50060 O, T200 P1 W V2-L50060 O |
Operating |
Humid, Dry, Negative pressure (N), Positive pressure (P-H) |
Room sealed |
No |
Area of application |
Oil fireplaces, Gas fireplaces |
Occupation |
Single, Multi |
Suitable for passive house |
No |
Heating technology |
Condensing boiler technology, High pressure 5000 Pa, Low temperature technology |
Helpful sections for chimney installers
A set of training courses at our centre in Washington, Tyne & Wear.
We're available to discuss the technical aspects of our product range.
Helpful sections for chimney installers
3D modelling object available for download.
We're available to discuss the technical aspects of our product range.
Helpful sections for chimney installers
Products available to purchase, as well as full information on our range.
Apps designed for seeing how our stoves and outdoor appliance look like in your homes and gardens, using the latest technology. We also have our excellent stove and chimney installation app, which has all the technical information and guides for installing our systems.
This App allows the user to see what a wood burning stove looks like in a room, as well as calculating the components required.
Simply point and see – it’s as simple as that with our new AR Outdoor Fireplace Designer.
This app was designed for installers to have all the information they require in a few quick clicks.