Hello Yannick! The adapters provided are for Danfoss RA, RAV and RAVL only. You need an Adapter M28x1,5 to M30x1,5. I only have a URL for the German store, but you should find it where you live.
https://www.amazon.de/Heimeier-Adapter-Thermostate-M28x1-M30x1/dp/B00VEA3R1Y
Best regards, Volker
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Feb 2, 2021