Silicon Gasket – Prima Plus / ICS

Silicon Gasket – Prima Plus / ICS

The silicon lip seal gasket can be added to standard ICS25 components (Pipe, Tees, Elbows, Top Plates, and Terminals) to convert the components for use on Wet Positive pressure (P1) applications. The Silicon is suitable for use on Gas applications.

  • Use on wet positive pressure applications.
  • Seals the flue system
  • Suitable for Gas applications.
  • Silicon Material
SKU: Silicon Gasket - Prima Plus Categories: , , , Tags: , ,

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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.

For stove and chimney installers – whenever you register an installation with our easy to use, online guarantee registration portal, you will now accrue points based on the number of installations and installation type. So start to register your installations, taking full advantage of our Lifetime Guarantee on Flex and ICID, as well as guarantees on all our other ranges, and to start earning points 🙂

Prima Plus is CE Certified for the following applications:-

Connecting Flue Pipe -EN1856-2TÜV 0036 CPR 9195 017
Chimney Liner – EN1856-2 TÜV 0036 CPR 9195 019
System Chimney – EN1856-1 TÜV 0036 CPR 9195 018

CE Designations are as follows:-

Connecting Flue Pipe

High Temperature Applications T600 N1 W V2 L50060 G400 M*
Low Temperature Applications T200 P1 W V2 L50060 O200 M* and  T200 N1 W V2 L50060 O200 M*

Chimney Liner

High Temperature Applications  T600 N1 W V2 L50060 G
Low Temperature Applications T200 P1 W V2 L50060 O

System Chimney

High Temperature Applications T450 N1 W V2 L50060 G50** and T450 N1 D V2 L50060 G50***
Low Temperature Applications T200 P1 W V2 L50060 O200

* M stands for measured distance to combustibles on a connecting flue pipe application in the range of diameters Ø150-Ø200
For other diameters in the range the following distances should be used: Ø80-125 =375mm, Ø130 = 390mm
** Used internally inside a non combustible shaft
*** Insulated and used internally inside a suitable enclosure


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A useful app with guides on installation as well as step-by-step video guides.

This app was designed for installers to have all the information they require in a few quick clicks. This makes it easier for installers rather than having to carry paperwork during the installation process with video breakdowns of each stage of the installation process.

Download the iPhone and iPad version in the App Store and Android version in the Google Play Store.

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