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  1. C

    UFH wiring

    legend, yes please shaun, polypipe UFH87W centre with UFHPROGW x 4, honeywell 2 ports, worcester bosch greenstar heat only 24kw, grund pump for Rads, and grundfos on manifold for UFH, I'm not sure what programmer he's thinking but maybe just use a basic drayton 2 channel for scematic and a...
  2. C

    UFH wiring

    cheers Shaun, so the micro switch of the 2 port for the UFH is used to start the manifold pump in this instance and also on the system I'm working on instead of just one zone like in your pic linking the actuators to the nest I'll have multiple room stats connecting to each individual actuator...
  3. C

    UFH wiring

    Hi guys can someone explain to me how the wiring of UFH with the use of actuators is wired into an S plan please? its a 3 zone valve set up, Rads upstairs, HW, UFH downstairs. I'm okay with s plan wiring on a simple 2 channel etc but first time doing UFH with actuators and separate room stats. I...
  4. C

    Central heating cleaner

    Exactly, it's nonsense imo, it's got that feel good factor though as you're doing it I guess.
  5. C

    Central heating cleaner

    2 weeks for x800 I think, honestly not that convinced on those cleaners, the info says its like 6.8ph iirc and that's not exactly strong. Maybe there's something else in it but I don't know. if you can leave it in for 2 weeks then I'm gonna assume whatever would start happening that's bad would...
  6. C

    Any gotcha's to drain and refill a hotwater tank to replace 2 x immersion heaters?

    Providing you're qualified 🙄
  7. C

    Any gotcha's to drain and refill a hotwater tank to replace 2 x immersion heaters?

    Unvented immersion Sod easy to undo compared to the older ones usually cos rely on rubber seal. Make sure you buy the correct type of immersions, the standard ones from screwfix are not the same thread size.
  8. C

    New build house smell

    Sweet baby Jesus
  9. C

    New build house smell

    Stand by the kitchem sink and get somebody to let a full bath water run out or flush the toilet and run the basin, use the upstairs appliances, you should be able to hear if you listen to the plug hole of the kitchen sink gurgling or bubbling. New builds shouldn't have the need for anti vac...
  10. C

    Pump Sizing

    Electrician yes yes consumer unit in the same room as boiler
  11. C

    Pump Sizing

    Lovely mate, pre plumb stelflow, I'm going to go pre plumb aswell the time saved is worth the extra 80 quid or whatever in my humble opinion
  12. C

    Pump Sizing

    Cheers, I spoke with them again today and laid it all out for them on the table, the potential bills from gas being 4 to 5x cheaper and whilst they were like yeah okay that's cool.. they still want electric. Honestly what more can I do? They don't want a gas boiler, period. There is no...
  13. C

    Pump Sizing

    Potterton Gold electric
  14. C

    Pump Sizing

    it'll be fine, its only 12kw, they have a 100amp supply, boiler has soft start and is modulating too which is nice.
  15. C

    Pump Sizing

    no gas hob just the boiler
  16. C

    Pump Sizing

    its a combi job all day long, I know that, but I'm just following orders, I will quote them for unvented and heat only electric and see what they want to do
  17. C

    Pump Sizing

    They're in the centre of a town
  18. C

    Pump Sizing

    I have told them numerous times that it will be very expensive. I think I'm absolved to any blame at this point. 12kw should handle the rads no problem but yes the bill is going to be eye watering.
  19. C

    Pump Sizing

    thanks for clearing that up, i wonder when i see insta photos of 2 magna 1's and a llh on a 5 bed house whether its overkill, now im starting to think yes, yes it is... that poor customers wallet.
  20. C

    Pump Sizing

    it is madness, I turned the job down initially saying to get some quotes locally for a combi install, its cheaper etc but they came back and said "no, we want electric" I said okay, and here I am. Thanks for the recommendation you think ill need the 8m head? I tried dab pumps once, I don't...

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