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Hi Stem, thanks for the reply, but if you notice the image ive attached there is nothing connected to the 1 and 2 terminals... Terminals N - 2 blues and a grey L - 2 browns and a black 1 - empty 2 - empty 3 - grey 4 - black should there not be cables connecting to the 1 and 2 terminals for HW...

Hi Guys, been given a hive heating dual channel system, which seems to be correct for the system i have. i have a conventional boiler and a large hot water tank. on removing the original controller what i see is not what the manuals seem to suggest it should be wired. any chance anyone else...