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Hi All, I have just installed a RT300RF. On the receiver the I have N : connected to Neutral (blue) COM : linked to L NO : connected to Switched Live (yellow) that then connects to the white motorized valve in the connection box. The old stat had a switched live (Brown from programmer). This...

Hi all, new to the forum, any advice much appreciated. During these colder periods we have all most run out of hot water when both having a shower in the morning. Initially I thought the motorized valve feeding to the HW cylinder was dodgy but after further testing I don't think it is...