Hive V4 to Worcester Greenstar 28i Junior

ShrimplyPipples · 2026-10-19T13:34:08+0100

Can anyone possibly point me in the right direction?

Hive v4 is wired up to greenstar junior 28i boiler as below.

The receiver and thermostat are synced.

The thermostat tells the receiver when to fire up and I can see it's receiving the signal.

However the boiler then won't fire up and that what's got me scratching my head?

Any help would be massively appreciated,

Thanks in advance

ShrimplyPipples · 2026-10-19T16:54:30+0100

Manage to resolve the issue for anyone else in the same predicament...

The original control panel has to be removed from the from of the boiler.

Once you've done that, the hive takes full control and boiler fires up when thermostat demands.

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Hive V4 to Worcester Greenstar 28i Junior

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