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  1. M

    Danfoss hsa3 way actuator/valve... Please any advice...

    Indeed I don't even live in the house anymore, however the advice is sound the fault I had was a micro switch in the actuator. I did not replace the actuator but just the micro switch for a couple of quid from RS.
  2. M

    Quick identification question for an expert please

    Am I likely to break anything by turning either of the nuts while the water feed is still on?
  3. M

    Quick identification question for an expert please

    Thanks guys, I will try and see if I can get any further markings off them and hoover out the cobwebs first. I hope they are not flow restrictors as its only a gravity fed system so we certanily dont need any sort of restriction on the flow :)
  4. M

    Quick identification question for an expert please

    Thanks Tony, just to clarrify when I say taps I do mean a mixer tap with shower head. I cant see any separate isolator valves installed however I have noticed that on all/most of the plumbing in this house (about 23 years old) my guess is either the builder didn't want to spend money on...
  5. M

    Quick identification question for an expert please

    Hi there, Could someone please confirm what we are looking at here? There are two of these 'valves' connected on the way to our bath taps, my assumption is that they are double check valves, I am wondering if they are also isolator valves (which may make life easier replacing the taps) but...
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  10. M

    Hi there, I did fix the problem, and will remember the details I can (I have moved now so cant...

    Hi there, I did fix the problem, and will remember the details I can (I have moved now so cant even look at the actuaator to remind me). Basically inthe actuator there are two microswitches, these tell the system when they are pressed so it knows where the actuators position is, in my one one of...
  11. M

    Danfoss hsa3 way actuator/valve... Please any advice...

    I know this is dragging an old post up and sorry for that, but what was the outcome on this, I seem to have exactly the same happening on my heating/hot water at the moment. The actuator is making a clicking noise when the system turns on and I am getting hot rads when only the hot water is on...
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