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  1. B

    Danfoss Randall HS3 22mm Motorised Three Port Mid-Position Valve

    recurring Issue, any help would be greatly appreciated. I have changed this valve twice in the last 3 years........ is this normal or would i expect to get longer use out of this valve?
  2. R

    4 siemens 3 port valves burnt out in a year.

    Changed a clients burnt out 3 port siemens DVA3 heating valve head like for like this time last year. Just put it down to normal wear. Then it burnt out in April. I thought unlucky, siemens not great but ok and changed it. Told client to make sure not to cover it etc as I know they can get hot...
  3. S

    2 Port Valve Closed Question

    I have a honeywell 2 port valve to the emersion tank which is allowing water to pass through on the closed position meaning the water is boiling hot. A previous plumber left an old port valve in cupboard which I took to bits to see how it works. 😀 I thought the seal must have gone inside but...
  4. V

    3 way ball valve L port for drinking water advice

    Hello, I have water filtering system (reverse osmosis) installed with 2 outputs which use 1/4 outer diameter plastic pipes and push fit connectors. I have a kitchen tap with a single separate entry for filtered water. I would like to have a ball valve under the sink that would switch between 2...
  5. C

    Three port valve .. or not

    Hi We had the issue with heating coming on when only calling for hot water ... had the three port valve replaced and 1 rad added where an old rad used to be. We still have same issue, the valve has now been replaced 3 times, i can understand 1 being faulty, maybe 2 but 3 ! It works for a couple...
  6. L

    Orkli 2 port motorised valve

    Hi has anyone ever come across a orkli 2 port motorised valve60520604(silver case) I only need actuator but finding it hard to source exact replacement, also do you know if the actuator can be replaced on this model without draining. Im only familier with honeywell and drayton. If not no...
  7. ShaunCorbs

    Honeywell 2 port valves 22mm

    Anyone got any looking for 6 possible more
  8. Reddwarf4ever

    Honeywell V4073A 3 Port Motorised Valve Wiring question

    Hi i checked the wiring colours are the same from the junction box to the current 3 port valve, as the new one. But although I could turn off the house mains, I would prefer not to, is it easy to tell if the wires are live, using a multimeter, ? Have an isolation switch, but not 100% sure if...
  9. Spike47

    Wiring 3 Port valve Wiring Station

    Hi Can anyone have a look at a picture of a Wiring Station for a 3 port mid way Valve, against a drawing that I have tried to do, wanting know if the black wire going into 8 could be the feed to the Boiler ! . cheers Spike
  10. Spike47

    Siemens DVA3 3 Port Mid Position

    Hi I have a faulty Siemens DVA3 3 Port Mid Position Actuator that needs replacing, Can get a Drayton MA1 quite cheap, will this fit in place of the Siemens ! . Spike
  11. K

    Central heating not working 3 port valve?

    Hi all, Not posted for some time but come up against a small problem. Been off the tools for many years now but I think I know the issue but looking for some reassurance Boiler isn't firing when programmer and room stat is calling for heating, but does for HW. It's a Y plan system, new house...
  12. L

    No hot water and heating comes on! Changed 3 port valve.

    I wonder if anyone could help. Problem: We have no hot water and the heating comes on when we switch the hot water on from the boiler programmer to heat the hot water up. Our boiler is a Potterton Suprima or (Supr1ma). What we’ve done so far: My neighbour switched the three port valve so...
  13. Meady

    Honeywell 22mm V4043 2 port zone valve for sale

    I have 11 of the above for sale, all are brand new and in the original box. Looking for £40 each posted for them. Cheers 1596736173 10 already sold, just the 1 left now. Cheers
  14. D

    Honeywell 2 port motorised valve screeches when shutting off

    Hi all, I have a 2 port motorised valve that screeches when CH shuts off, this has been ok for 6 months. System is a combo boiler operating 2 zones CH & underfloor heating with a safety PR valve. Both valves plumbed correct flow direction, is this classic water hammer from a defective...
  15. D

    Help identify old 3 port myson pump

    Help in identifying this myson 3 port pump?
  16. K

    2 port valve to seperate radiators from ufh zones

    Apologies if something like this already been covered. We have new underfloor heating and new radiators upstairs. Problem is the company who fitted the boiler didn't fit a valve to isolate the upstairs radiators, so I fear when we turn on the underfloor heating it will basically heat upstairs...
  17. I

    2 port sunvic diverter valve not activating

    I have a sunvic 2 port diverter valve on a tribune HE hot water tank, it's not activating when hot water needs heating. I've replaced the thermostat, but have to hit the diverter valve a few times to get it to activate. Any idea what may be causing the motor to stick as it is working just needs...
  18. F

    Advice on Sunvic 3 port valve

    Hi All, I'd like to swap my Sunvic 3 port motorised port for a Honeywell. The issue I have is that the Sunvic has 4 wires and the Honeywell has 5? Anyone know if this can be done? Thanks
  19. M

    Analysing port on old model ideal independent

    Is the black cap in the picture below the analysing port on an ideal independent from around 2012. I know they have changed the flue now and its on the turret elbow, with the air intake point too. Doesn't look like they used to have a sample point for the air intake? Thanks for any advice.
  20. jonnyswamp

    2 port wiring question

    Haven't been on for quite a while, but have a question for greater minds than mine Have an unvented to change which is currently controlled by a 3 port, will be fitting a 2 port to the flow when cylinder is changed Apart from changing to S plan (which isn't really an option) how do I wire the 2...
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