Is the "Extension Kit" part of a Starter Kit?

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StillInUK
StillInUK ✭
edited June 2022 in General Questions & Topics

I've purchased a "Starter Kit - Wireless Smart Thermostat V3+". In the installation documentation for installers, I see that S-Plan setups require an extension kit. Is the "Wireless Receiver (Programmer with Hot Water Control)" just another name for the extension kit?

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