This is for a friend of mine ... he's hoping to remove an Hive controller from a Vaillant Combi Boiler and replace it with a Sunvic TLX9201 Room Stat.
He'd be grateful of help with the most straightforward method of changing the wiring over.
You won't be able to over simplify it
Thank you
Ray
He'd be grateful of help with the most straightforward method of changing the wiring over.
You won't be able to over simplify it
Thank you
Ray