Coloured Cistermiser Keraflo Logo
Cistermiser Keraflo

About Us

We have a proud history spanning over 40 years of service to the UK construction industry…

…with design and development of proven and innovative products from our headquarters and manufacturing centre in Woodley, Reading.

Cistermiser is a brand name synonymous with high quality, water-saving flushing control valves for commercial washroom applications… well as Combimate limescale prevention units for protection of domestic boilers.

LinkThru TMU, the latest innovation from Cistermiser, harnesses the Internet of Things to deliver remote 24/7 water temperature monitoring services

Using stand-alone Sigfox wireless technology, with zero disruption to premises wi-fi or existing LAN infrastructure, LinkThru TMU is the best way to ensure compliance with legislation and accurately monitor water temperatures throughout a building, protecting visitors and staff alike from the risk of Legionella bacteria poisoning.

Our Keraflo brand name is renowned for uniquely-designed Aylesbury™ delayed action mechanical float valves…

…and Tanktronic management systems for cold water storage tanks in commercial buildings.

Operating under Quality Management Systems certified to ISO.9001:2015, Cistermiser Ltd and Keraflo Ltd are fully-owned subsidiary companies of Davidson Holdings, a privately-owned group of market-leading businesses operating in the lightside building products sector.

Find out More

Your World Is Water

Cistermiser comments on eradicating leaks and improving consumer awareness


EasyflushEVO is awarded Kiwa UK Regulation 4 certification


Cistermiser’s rEVOlutionary flushing control, EasyflushEVO, wins a coveted Energy Saving Award 2022 Water Saving Commercial Product of the Year!