Swapping Thermostats from Honeywell to Google nest

Joined
24 Mar 2021
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United Kingdom

Hi all, I'm looking to replace my current Honeywell thermostat with a Nest learning thermostat. In terms of installing the Google heat link will I be able to swap these over like for like, or will I need an additional wire/s from boiler to the nest heat link? I've included a picture of the current thermostat receiver.
Thanks for your help in advance
 
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