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Product Literature

Looking for product brochures, installation manuals or any other product literature? Simply scroll below to view all of our product downloads.

User Guides & Installation Manuals.

Select a product from the menu to find its associated user guides and installation manuals.

Brochures & specification sheets.

Select a product from the list below to see its brochures and specification sheets.


Find brochures, installation manuals and user guides for our discontinued products by selecting a category and product range from the list below.

  • iCombi Installation Manual


Ideal Apps

We know that when our installers are out on a job, time is of the essence. With our free Boiler Sizing and Gas Flow Rate Calculator apps you can work efficiently, effectively and quickly; making life that little bit easier.


Forget filling in boiler sizing sheets and doing the sums yourself, this handy free tool will help you accurately work out the correct boiler output required for a property in just minutes.

View In App Store

Gas Flow Rate Calculator

Don’t bother messing around with conversion charts and a stopwatch when you need gas flow rate information, download our new app to your iPhone and let it do the job for you. Simply choose the type of meter, and follow the simple steps.

View In App Store