valve

  1. J

    Motorised Valve on central heating

    Hi, In my central heating system the oil burner seems to be over riding the clock/timer. The following is seen: When the clock/timer is on (all 3 channels) and the thermostats in the house reach the required temperature, the motorised valves close as expected. However the oil burner does...
  2. V

    help...unknown heating system

    hi all got a job to re install an existing heating system. i have a danfloss three port valve,four wire brown,white-grey-orange-blue no tank stat room stat controler with ho****er only or ho****er and heating any ideas...ive wired a good few systems but not come across this. ta all vito
  3. A

    3 port valve to cylinderstat connections help!

    I need to connect a new cylinder stat to a 3 port valve. I have on the cylinderstat C, 1 and 2. On the 3 port I have brown blue and white wires but these are not labeled or identified and there's no instructions to refer to. How do I know I've connected the stat to the valve correctly...
  4. V

    Drayton 3 port valve wiring - Y Plan

    I have a old (1970s) Draton 3 port valve that I am trying to wire into my wiring centre on my heating. The coloured wires are as follows: yellow, black, blue, white and green/yellow. I have managed to track these down to (at the bottom of this wiki page): Yellow - CH & HW Black - Neutral Blue...
  5. V

    heating problem HELP PLEASE

    immergas victrix 26 kw boiler i wired one of these boilers today and was not sure how to bring the switched to back to activate the boiler i have done this job many times but i was told that this boiler is volt free and im not sure how to switch it if this is the case i bought two wires back...
  6. P

    Vokera linea combi / motorised valve / heat exchanger wiring??

    Hi all, I need help on how to wire a combi boiler with 2 motorised valves, a room stat (volt free) and a heat exchanger on a pond. I havent yet bought the stat for the pond because I am not sure what type to use. the ones I have looked at I assume are 230v ie Carel S90 digi stat (Carel S90...
  7. T

    Directional valve problem

    Hi, I have replaced a Switchmaster 3 port valve will a Honeywell valve all is working fine but the boiler header tank is over flowing (only dripping down the overflow pipe). This appears to only happen when there is no call for heating or hot water. Any ideas? I think it's a faulty valve. To...
  8. S

    2 port valve

    why is the grey live and the brown switched live at a zone valve?
  9. S

    Heating wiring problem.

    Does anyone know how I can resolve the following problem . -Two rooms are fitted with plumbed underfloor heating. -Room one has own thermstat wired to call 4 wire Actuator on manifold. -Room two also has own themostat wired to call seperate 4 wire actuator on manifold. -Second switch wire on...
  10. T

    Water level switch?

    I have the task of installing a pump under ground at the side of a lift shaft that is surrounded by water, the builder has asked for a permanent pump installed with a float switch so that when water reaches a set level the pump kicks in automatic.. Does anyone have any experience with this type...
  11. J

    pressure switch

    Guys I am looking for a 3 phase pressure switch with unloader and half inch female inlet. Would prefer one which will take my gauge but not fussy was quoted £240 plus vat today. I think the guys at it can anyone help with where to get one in a hurry.
  12. I

    Mira advance shower

    I have been asked to repair a mira advance shower which is continually dripping from the shower head, anybody any ideas what could cause this. Cheers Ian
  13. S

    Need help with S plan with a 3rd zone for under floor heating!

    Hi i am wiring up an S plan heating system tomorrow which has a 3rd 2 port valve with separate controls for underfloor heating, does anybody know how to wire these as i am thinking i will end up with 2 switch lines at the boiler witch will back feed to either one that is not activated. Thanks
  14. L

    honeywell v4073 wiring question.

    Hi This is my first post here & im hoping someone will be able to help me. Right first of all i am hoping to replace my old & i think faulty diverter valve..,i have brought a honeywell v4073 to fit but when i have removed the wiring panel in the airing cupboard i have first of all noticed...
  15. S

    honeywell mid position valve

    hello, ive been wiring a y plan system today and the motorized valve has 6 wires orange blue black brown white green/yellow the plan ive been working off only has 5, its the brown wire that omitted i think ! is there some way round this ? ive not been able to try for myself as the...
  16. I

    mid position valve.

    Hi guys. I went to a job today to wire a Y plan, however the plumber brought a programmer without a DHW off terminal. He told me that he used to wire them like that and it should not be a problem Anyway, I tried it all ways to get working properly, but I could not get the valve to port to...
  17. L

    gas boiler volt free contact

    Hi I have to connect up a gas boiler and know how how to do it with a volt free room stat. What I need to know is can I use the relay/switch on a motorised valve to control the boiler via the volt free contacts in the boiler,and use 220v room stats to control the valve. Its a two zone system...
  18. keniff

    honeywell valve fault?

    hi guys heres one for yah! went to a call out yesterday as boiler had shut down all timer clocks etc had lost power, so starting from the mcb i started to trace the loss of power, i was stumped i had live feeds going everywhere! then i found i was getting 240v between neutral-earth from all...
  19. R

    hot gas cut off solenoid valve

    Hi client called me and they got a hot solenoid .....its almost getting too hot to touch....? Its for the emergency gas cut so kinda need to be sorted....thinking lose termination but any thoughts i could get before i go into it?
  20. ringer

    Replacement synchron motor for Honeywell zone valve

    Have asked this on the plumbers forum, but thought there might also be some knowledgeable person on here who could help answer my question. My central heating zone valve synchron motor has stopped working - it is now open circuit so I need to replace it. Rather than replace the whole valve...
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