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  1. gassafe

    Satchwell 2 port replacement help - wiring

    Gotta replace this ancient 2 port... Is it compatable with a modern 28mm Honeywell 2 port, can't find anything online! Wiring is obviously different according to the label! It's a satchwell 2 port on the cylinder return, the boiler is floor standing gravity set up where the boiler only fires...
  2. B

    Max Kw boiler size for 3 port valve.

    Hello all, perhaps some one can tell me..is there a maximum size of kw boiler that can be used with a 3 port valve? The system is a gravity fed, 2 pipe system system with a heat only boiler. British Gas have said the 3 port valve needs replacing with 2 2 port valves as the a 3 port should not...
    • billski
    • Thread
    • boiler port size valve
    • Replies: 11
    • Forum: Boilers
  3. J

    British Gas - 3 port valve sticking - power flush?

    The mother in law used British Gas to install her Worcester Greenstar 12 Ri boiler back in 2007!!! She also has a service contract with them at £38 a month!!!!! 3 years ago the 3 port valve was replaced. Each year it still stops working. So she calls them out and they say it's all working again...
  4. Robert Tyrrell

    Flue through a car port?

    Just been to look at a job of replacing an old Baxi Solo 50/4 and the flue terminates at low level under the car port, which has a polycarbonate panel roof. I have isolated the boiler and informed the owner (It's his second home) that it is dangerous and at risk. My query is this: The car port...
  5. A

    Cylinder stat or 2 port?

    Hi guys been to a job recently, 2 port was held open when I got there. Cust only has hw when ch is on. ch will come on and off as it should so no issue there. customer said hw has been really hot lately. Cyl stat is held on with Sellotape. Was set at 40, but the dial just spins and will not...
  6. P

    3 port valve problems

    Yet another problem with a new build system which is as follows, System boiler with zoned UFH to ground floor and radiator circuit / water tank upstairs. UFH is controlled by individual room programmers linked to actuators. Radiators / water tank governed by timer, thermostat, fed by 3 port...
  7. K

    Hot water trickles into F+E tank when 3 port valve is in Mid position.

    Went into the loft to put some stuff away and noticed that there was water trickling into the F+E tank via the expansion pipe. I drained the system down and added Sentinel cleaner which I left for a few days to work its magic. I drained down again and added Sentinel inhibitor but the problem...
    • KevinD
    • Thread
    • hot water port tank valve water
    • Replies: 5
    • Forum: Bathroom Advice
  8. D

    return of... 3 way port, pump, faulty?

    Hi, I posted as a guest yesterday, as suggested have registered, now have more info. Took the electronics off the 3 way valve, turned valve shaft manually, only tuns about 45 degrees, but thats normal from what I've read. Electronics looks ok, put it back and left the override switch on...
  9. J

    UFH 5 port blend valve leaking

    Hi all, hoping someone can help. Valve is leaking from the pin and i've looked everywhere for a part. Anyone recognise the attached and where I can get one please? Main thread is approx 200mm Dia. Port is big brass block with 5 ports, can't find that anywhere either! Cheers, JC
  10. A

    Switchmaster 3 port valve problems

    Hi hope someone can help as I'm starting to lose the will to live,have an old switchmaster valve set up which started playing up a few weeks ago. Reluctant to change for new valve because of the need to reroute pipes for it to fit,thought the problem was the valve not the motor mainly because...
  11. G

    2 port on UV cyl return

    Any thoughts on putting a 2 port on a megaflo return, which has a 3 port only set up. There is no room or pipework space to get it on the flow to cyl after the 3 port. Whoever fitted it must have thought the 2 port was a billy bonus for stock. My thinking is better on return than not at all.
  12. B

    Siemens 2 port valve bangs shut when off

    Hi, I was hoping to get some ideas to a problem I am having. i have a megaflo with a sealed system and a Valliant boiler. I have 3 x 2 port valves in the loft. ( water, central heating and underfloor hearings) The system was installed 5 years ago and we never had a problem until now. last...
  13. U

    Changing 2 port valve

    hi, can you swap a Siemens 2 port valve for a honeywell valve without having to change the pipes? will the new honeywell valve fit on the old thing that the siemens valve is connected to
  14. B

    Two Port Valve

    Morning All, I have issue with my heating at the moment. One of my down stairs radiator's does not get hot and the other get warm but not super hot. I have bleed all the radiators, balanced the system and cleaned the radiators off in question. The radiators were all clear. I popped my head up in...
  15. G

    Honeywell 3 port powerhead wiring V4073A

    Hello. Anyone really good on Honeywell 3 ports? Should there be continuity on any of these combinations of wires when removed from wiring centre; Orange & grey White & grey Orange & white? Cheers ;-]
  16. R

    2 port valve i.d

    is this a drayton? can the head be changed and any idea who stocks them? thanks.
  17. J

    Possible 2 port valve problem?

    2 port valve problem maybe?My Boiler doesn't fire when the hot water is on. If I manually open the 2 port valve the boiler fires for a couple of seconds then shuts off again. Any help would be much appreciated
  18. U

    2 port valve problem maybe?

    My Boiler doesn't fire when the hot water is on. If I manually open the 2 port valve the boiler fires for a couple of seconds then shuts off again. Any help would be much appreciated
  19. P

    Can a DRAYTON MA1/679-3 3 PORT VALVE MID POSITION be used to replace a BG bgmvsp-23

    My British Gas bgmvsp-23 mid positioned actuator has gone - it's not the valve, just the head - can I replace it with a Can a DRAYTON MA1/679-3 3 PORT VALVE MID POSITION actuator? I know the BG bgmvsp-23 mid positioned actuator is a rebranded Drayton one - but don't think it's this particular...
  20. M

    3 port valve not wired

    Hi i need advice...ive just repl our 3 port valve on our old central heating system and also have fitted a new pump, this was done because the 3 port valve was leaking and cos of age i thought i would change the pump also.. all went well but im getting tons hot water but rads stay cold im...
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