Product Brands

Product
Brands

The Onyx range offers a comprehensive selection of valves, TRVs, and accessories, designed to meet both household and light industrial needs—all backed up by a full 2-year warranty. Available in a variety of finishes, colours, and styles, they pair perfectly with our Revive Radiators for a seamless look.

We’re continually expanding the Onyx brand, introducing innovative solutions to enhance radiator performance and ensure maximum efficiency.
 

Filters

TRVs

Accessories

Chemicals

Where to Buy Onyx Products

Onyx products are available nationwide through independent stockists of plumbing and heating equipment. We partner with leading suppliers known for their extensive product ranges, quick delivery, and exceptional service.

You can also order from MrCentralHeating.co.uk and Direct Heating. If you’re an independent merchant looking for exclusive pricing, contact our APP Plumbing & Heating team for special offers and support. 

Onyx is fully supported in the UK with dedicated technical assistance, sales supports, and robust stock availability— ensuring a seamless and reliable solution for central heating.