sunvic

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  1. M

    Sunvic 3 way valve ticking noise..rads on permanently

    Today my diverter valve (Sunvic SD2701) starting making a ticking noise and now the radiators are on permanently even when the stat is turned down and the CH switched to off. I am presuming that the head is broken and have read on the net that the circuitry/microswitches in the head can be prone...
  2. A

    Sunvic valve replacement

    Hi Got a 2 port motorised valve that has busted, the motor not the valve. It's a szm 1803 which I believe is a sunvic valve but cannit find any reference to it on the web or even on their site. Its for the hot water, don't have a combi. There is a szm 1802 for the central heating. Can any...
  3. S

    Sunvic..

    I am trying to find a wiring diagram for a sunvic dm4601, I have tried looking around on the internet but no luck, can any of you help, either point me in the right direction or put one up here. One of you must have the wiring diagrams somewhere, please
  4. R

    Sunvic wiring center 2202

    I have just installed a greenstar 24 ri . I have disconnected the old oil boiler. The system has yplan control;s with wiring center. The problem is I dont know which connection is switched live or live return to the boiler on the wiring center as it is in a tight corner . There is 10...
  5. J

    Oil burner comes on when timer is in standby

    Hi, I have noticed that when my heating timer is in standby - that the oil burner still comes on. It burns but does not heat the house. Could the issue be due to a motorized valve issue? In my heating system there are 3 motorized valves (sunvic) - I take it one if for heating downstairs...
  6. P

    Replace Sunvic DM5601 Duoflow with V4073A or similar..?

    Hello.. I havent done any central heating wiring alterations in a while but i have an older Sunvic DM5601 actuator/valve which is leaking/sticking as they always do. It is wired into the duoflow grey relay box/mini pcb. The timeswitch is a randal 103 and there is a roomstat and cylinderstat on...
  7. B

    Sunvic RF1206

    Hi there, I have a Sunvic RF1206 and the receiver, which is attached to the boiler, started buzzing. I disconnected the receiver as this is obviously a sign of a fault. I still have hot water but no central heating. I need to get a new receiver and thermostat combination however I've been...
  8. P

    Motorised valve

    I need to replace the head on a tribune he range 22mm DHW 2 port motorised valve as i have to hit the top of it to get it to open to allow hot water from boiler through to heat the cylinder. Can i get something from honeywell or other brand to replace this or is it best ringing up range spare...
    • plumbingdazman
    • Thread
    • honeywell motorised motorised valve range should sunvic valve wiring
    • Replies: 10
    • Forum: Plumbing Jobs | The Job-board
  9. P

    sunvic 207xls controller infrequently loses its settings

    Hi guys, hoping someone can help. I fitted a sunvic 207xls controller a couple of months ago and it worked fine for about a month, but recently about once a week, it appears to lose all its programme settings (except the date and time) - get a big "2 Pu" on the display, and then it continuously...
  10. R

    How difficult it is to replace a Sunvic MoMo Valve by a spring one like Honeywell.

    Could someone suggest how much re-wiring is needed to replace a Sunvic MoMo Valve by a Standard spring one like Honeywell (apart from draining the system). Is it just the wiring between the Actuator and the Programmer or do the wirings in the Room Thermostat and the Boiler need to be changed too...
    • rojroj
    • Thread
    • boiler controls difficult honeywell insurance replace spring sunvic system valve valves wiring
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  11. J

    thermostat

    Hi all Can I change a thermostat from a sunvic tlx2251 to a TLX7501. Thanks
  12. K

    Quick question about a central heating thermostat

    Hi all. Firstly, I'm sorry if I'm posting in the wrong place. I have just moved house and the gas radiator central heating system is some-what confusing me. I have an adjustable sunvic homewarm thermostat on the landing. If I turn it oneway I seem to get hot water and no heat to the...
    • kmbrad
    • Thread
    • about boiler central central heating system find gas google hot hot water question quick radiator radiators sunvic system tank thermostat timer valve warm water water yellow
    • Replies: 1
    • Forum: Plumbing Jobs | The Job-board

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