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    Drayton Zone Valve (2 Port). What way round?

    Hey all, I have a motorised Drayton Zone Valve (2 Port) and I'm wondering what way round these should be fitted? On the valve body (brass) are the letters 'A' and 'B'. The natural state of this valve is closed (position 'A'). Is the 'A' the inlet and the 'B' the outlet? Many thanks in...
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    Is the valve faulty?

    Hi all, I have two Honeywell V4043H Zone valves which by coincidence I think have both just failed... They seem to be both stuck open. The electrical side of both valves are fine, brown wire becomes energised, turns motor, toggles microswitch, orange wire comes live and fires up boiler...
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    Drayton LP522 for a WB 440cdi Highflow..... Preheat Issue?

    Hey all, Having read "UKSOUP's" and "Ianniann's" post on this following matter I'm unsure if my question has been fully answered... Can anyone please offer any other advice? In the winter of 2010 I had a WB 440cdi Highflow installed by a WBAI. At the same time a Drayton Lifestyle LP522...
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    Honeywell Motorised Valves - a few questions please...

    Hello all, this is my first post… I have two Honeywell Motorised Valves. The first is a V4043H1056 (22mm, 5 wires; Brown, Blue, Orange, Grey and GRN/YEL earth. The Second is a V4043H1106 (28mm 6 Wires; Brown, Blue, Orange, Grey, GRN/YEL earth AND White. I have some questions, probably...
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