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  1. M

    CANT GET UFH to work!!!

    hi, Ok so have a 4 bedroom house. Vaillant System boiler 637 No rads just underfloor heating. 3 x manifolds and nothing too big. UV hot water tank. Client complained that UFH has never worked properly. I found system to be surprisingly dirty. Pumps knackered. I replaced all manifold...
  2. M

    Can anyone help me identify this system?

    Went to apartments with this set up. It's got an 18l expansion vessel. To pipes out the top. 2 central immersions going into the fuse board on the front. A pipe coming out midway with a grunfoss pump then goes back into cylinder. 1 pipe with pump(central heating) going into it. There's a 2...
  3. M

    Churchill Imistor 25 unvented install help

    went to job with this system. Looks antiquated to me and seems to be scaled up judging by symptoms. Not familiar with this entirely. Its a block of flats with cylinder coil fed by central boiler in complex i assume. Looking at replacing with megaflow, pulsacoil etc but can anyone help me...
  4. M

    Pressure gauge vibrating like mad

    Got a Keston heat only boiler to 2 UFH manifolds off 2 2 port valves and a 2 port to the 3rd zone. Hot water off unvented but apparently the pressure gauge is going berserk. Any ideas? Seems to happen when all off so could it be a bypass issue? Don't know reading on guage yet till she sends a pic.
  5. M

    Big house, big job: mains off booster pump or gravity fed?

    Okay so you may have seen my previous post regards to this but I'll just enlighten again. Now I've never installed anything this big and just got my commercial ticket so bare with me. If I sound a bit amateur rest assured I will not start job till I'm 100% confident. Got a 8 bedroom house...
  6. M

    Can anyone recommend a decent water softener for an UVHWC?

    Like the question. Need a water softener..was looking at Dualflo anyone got any recommendaions? Also an in line water filter. Obviously ones that can handle high pressures. cheers
  7. M

    System struggling to circulate-where to start?

    Got a 3 bedroom house 6 big rads and 160l UVHWC Worcester Greenstar 24i system New trvs fitted on all but 3 rads system was balanced last year and all working fine This year it just seems to struggle on the lower ground rads and 1 of the top floor rads. The towel rail at top of house gets red...
  8. M

    Big house, big job..money no option - What would you choose?

    Got a big job coming up. Its a big old house in Chelsea and customer is no holds barred on cost! Its currently got a Keston C90 light commercial boiler, 2 linked copper cylinders (210l each approx) honeywell wireless programable room stat and 2 channel programmer. heating on one zone. Im...
  9. M

    Heat loss calculation in mansion..help!

    Hi, Doing a heat loss calculation in a 8 bedroom house in central London. Currently has a light commercial Keston C90, 80l expansion on heating and 2 x 200 - 300l indirect cylinders. Its a family house with 33 rads with a mixture of cast iron and single/double steel rads. Wanted to do an...
  10. M

    Going commercial?

    Currently only work on domestic. Got a job replacing light commercial boiler in domestic premises. Though it would be good to get my commercial ticket so I can do the work. Questions: I'm paying £760 for ; CODCN01 CIGA1 lCPN1 TPCP1A is this a good price? It's in London. Also, how much...
  11. M

    Can anyone tell me what this 15mm pipe is?

    Replacing potterton suprima with 24 ri current flow comes from boiler tees off for what must be vent then tees off to a 15mm pipe then goes to zone valves on the return I got a 15mm pipe which must be from the header tank then the pump. question is..what is that 15mm pipe for on the flow...
  12. M

    Help with extra pipe on s plan

    Got to a job today where builders had done all ripping out. installing combi..replacing cast iron boiler and cylinder. Now ow im pretty happy sorting out most of pipework it's just that the flow from the boiler went to pump..then there's a gate valve by pass teed in and running into return...
  13. M

    Where's the best place to get gas safe work wear?

    Hi, as the post says: anyone got advice on where to purchase decent gas safe work wear or maybe even a company to supply embroider logo workwear? as always replies appreciated and thanked
  14. M

    Aav on vented soil pipe?

    Hi All, Quick question. Customer had en suite fitted with toilet soil pipe running out side of roof over guttering across about 6 m and teeing into existing soil stack on side of house. This then runs another 4-5 m into the vented pipe. All in all the en suite WC has a run of around 13 m. It...
  15. M

    Do I need to renew my gas safe registration?

    Hi, Been subbing for a company for a little while and have been added as an engineer on their gas safe account. so do I need to renew my personal registration? Would I have to have it got privates? thanks to all helpful replies Mo
  16. M

    Multi meters-how much to spend for fault finding?

    Hi, Going on a baxi course soon and will be learning how to correctly use multi meter. Dont mind spending if I have to but do I have to spend £60-70 on one or will a cheap £20 one do the trick. I had one in the shed but think the rain got to it..it all looks ok but think it might need...
  17. M

    Boiler Fault finding courses?

    Hi, i really need to attend some courses to help with my fault finding/servicing. on boilers. Don't even know how to use a multi meter! I'm looking at courses with Baxi, Bosch and Vaillant. anyone done any of these and can recommend/give feedback? Anyone recommend any courses or will one of...
  18. M

    What are your top essential tools for boiler servicing?

    Hi, What are your top essential tools for boiler servicing? Really want to make my life easier ;-) Cheers Mo
  19. M

    Cordless Air pump ( For re-charging expansion vessels)

    Hi, Anyone recommend the best tool / method for checking and recharging expansion vessels - mainly in a domestic, boiler servicing capacity? Ive been trying to locate the bosch PAG12v which has a digi display but cant find anywhere Then theres the rothenburger cordless pump but doesn't have...
  20. M

    I'm an idiot! Flue gas analyser nicked!!

    Ok well I can only blame myself for this one...had a nightmare job today where everything going wrong..left my analyser in front cab on floor but didn't lock up..I know I'm a dumb git! Come back after dealing with this numpty of a customer and come out to see my paper work spread out on curb...
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