Make sure you fit the adaptor the right way up, the thread should be facing upwards and the
screw should be near the bottom.
Fitting the adaptors: M28
An M28 adaptor is not included in the box. If you require one, please contact support.
To fit an M28 adaptor, slip it over the radiator valve and screw clockwise until securely
fastened.
If the M28 adaptor seems to be the right size but will not screw on, you may have an "M28
x1.0" valve body with a narrower screw thread. These bodies are sold by brands such as
Orkli, Concerto and Wessex. Hive does not have an adaptor for this valve type. In order to
install Hive Radiator Valves you will need to replace your current valve bodies with one of
the standard types supported by Hive. A plumber can help with this.
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