Get access to Grant technical manuals anywhere, anytime with the Grant TechBox mobile support app for iPhone.

From Grant oil fired boilers, flues and accessories, to renewables heating products, both current and historic, this comprehensive technical library has it all.

What’s New

Version 2.0.0

This new update of the Grant TechBox has given the app a fresh look. Along with its new style and layout, the app also has exciting, additional functionality added including the option to download and remove product range categories, so you only store what is relevant to you, and the option to add frequently accessed manuals to a favourite section for quicker access.

This update also includes the addition of a Heat Emitters category where the latest manuals for Grant’s Solo Fan Convectors and Uflex Underfloor Heating can be accessed.

App Privacy

The developer, Grant Engineering UK LTD, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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