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  1. K

    My first 3 port

    Changed my first 3 port today. And I did it like a man lol. Threw the old boy into the loft and told him to keep an eye on the bungs. Wet vac, few towels and it was done in a jiffey. I'm not draining down at 6 in the evening on the way home.
  2. B

    Fixing the wiring for a 2x 2 port heating system with Boss controls

    Hello there, Another plumbing conundrum for you to set your minds to. My mates have just bought a house and the lovely sellers have left the heating/hot water in a pretty naff state. The system is a 2x 2 port system. The boiler is an old Potterson Netaheat mk2. The programmer is a Boss therm...
  3. P

    3 port valve

    Forgive me if this a really stupid question. Went to a call out on Saturday, customer had heating to all rads, but no hot water but the system had no 3 port valve, cylinder was full, but water cold, and primaries on cylinder cold Aswell, should there be a 3 port on this? The cylinder cupboard...
  4. M

    3 Port Valve why?

    Hi, Im new to this great resource and am hoping someone could help. My CH and HW stopped working a few days ago, boiler (Baxi Solo3 PFL 40) just does nothing, the only light on is "boiler on" no clicks or anything. My landlord sent a heating engineer around who just said it needs a 3...
  5. B

    early 3 port valve

    smc jobbie removed today old man recons they were big bucks and totally unviable against a y plan
  6. R

    mid position 3 port valve

    Hi, tried this question on plumbing and no success yet, suppose I should have been on this forum. Have a problem with my mid pos valve. When I call for HW, CH, or both, all works as it should. But from the mid position when I call for CH only, the valve stays where it is, heating water when not...
  7. carrpaul

    switchmaster 2 port

    hi there dose any one know the wires colours for changing switchmaster 2 port to honeywell v4043h switchmaster colours i am not sure on are yellow red white
  8. M

    can you get reverse circulation on a 2 2 port heating system in a bungalow?

    I was installing a heating system where I was running the hot water circuit as the last T. He asked me why I was doing it and then said that that was only applicable if it is thermo syhoning and on a 3 port valve. I told him it had nothing to do with thermo syphonng but the pump pushing it. Does...
  9. B

    Tandem 2 port valves?

    Hi chaps. Any idea why the installer would do this? Both NC. Cheers
  10. B

    No power to 2 port valve

    Hi guys, still trying to get my head around the wiring on s plan and y plan systems got called to a job yesterday, its an unvented cylinder and don't have my ticket for unvented so need to know if they need to get someone in that has there unvented ticket anywsy prob is, the whole system is...
  11. R

    3 port

    any one know if a honeywell 3 port head fits on a landis & gyr valve body? it has had a replacement syncron fitted in the past which is a honeywell brand!. thanks
  12. M

    Satchwell 5 2 port power on power off valve

    Need to replace on of these and as they are no longer available is their a wiring combination to make a modern 2 port valve work on this system? Any advice most welcome
  13. B

    Stuck 2 port valve versus boiler high limit stat....

    At a job replacing a cylinder and he mentions the boiler kept running even though the programmer wasnt calling. Apparently some history of the CH 2PV sticking on. I found it under some floorboards....nice. So even with the actuator closed, the switch is ON and therefore running the boiler (there...
    • Bunker
    • Thread
    • boiler high port stat valve
    • Replies: 10
    • Forum: Boilers
  14. N

    EPH 2 port valves

    Morning guys, fitted two of the above yesterday without fuss until I refitted the actuators, then noticed that one of the manual override switch doesn't fully return to auto position when released from manual, works perfectly fine when not fitted to the valve body. Swapped them around and tried...
  15. N

    EPH V222D 2 port valve vertical installation

    Evening guys hope your well ... Does anyone know if there is an issue installing the above on vertical pipework? Instructions only mention horizontal installation which has thrown me a bit, would not have thought there would be an issue but thought I'd check with you guys. cheers
  16. D

    3 port valve

    Hi I've a indirect vented hot water cylinder, just recently my heating and hot water hasn't been working, what was happening was when I called for heat for my rads the valve springs open but when heating off it doesn't close unless I switch the electric off and then it springs back. I've changed...
  17. B

    Cant get heating only using 3 port valve

    Hi guys, replaced a 3 port valve for a customer. Made sure i put the correct wires in same place. Guy who originally installed system must have new he cocked up as he left some instruction saying that hw has to be on constant all the time for everything to work heres what o know i can get hw...
  18. P

    Vallient VC gb 182 eh and 3 port valve prob

    Boiler will not fire on ch but when I arrived at cust house hot water cylinder was hot so could not test very well managed to get boiler to fire on hot water after running the tap . No room stat Could it be 3 port valve prob women was talking about cost so I need to be carefull about what...
  19. G

    Honeywell 3 port valve clicking

    Anyone got any suggestions why a new honeywell 3 port valve won't settle mid position without constantly moving between micro switches internally, causing a constant clicking every couple of seconds? Hot water only ok, heating only ok. All other external controls giving 230v when required (...
  20. M

    3 port valve sticking open

    Ok so the 3 pot valve must be naffed. Stays in mid position when calling for hot water. But boiler won't fire when calling for just heating. I don't get 240v in wiring centre on stat. But if I put motorised valve in manual I get 240v
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