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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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I have recently replaced my old Honeywell ST699 for a ST799. My problem is
that the CH works when I only use the CH slider. the hot water doesn't work when I use that slider. also the heating stops working when I use both. any advice would be most welcome. -- for full context, visit https://www.homeownershub.com/uk-diy...r-1257750-.htm |
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