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pipework

  1. U

    Identifying central heating pipework that has been cut and left unmarked.

    Hello, I have a question about a job I am currently doing which is causing a few problems at the moment, a job I am at where they are bit by bit renovating a fairly large house has had its boiler removed (Vaillant not that its relevant) and there are 4 cut pipes in the ceiling space which...
    • Unregistered
    • Thread
    • central central heating heating pipework
    • Replies: 2
    • Forum: Central Heating Forum
  2. 1

    kinked, crimped and coiled 8mm pipework

    Hi, I'm after a little advice. I am working my way through a renovation of my central heating system prior to new carpets being fitted in the next few months and an unvented cylinder conversion from my current vented being fitted in the next year or so - this will be moved from the 1st floor...
  3. H

    10mm to 15mm pipework

    Hi, We've just moved into a property built in 1978 and all the radiators have 10mm copper pipework with the return and flow both at the same end. I'm intending to replace all the radiators in the house using 15mm but can't really do this in one go! As I decorate each room would it be ok just to...
  4. R

    consealing central heating pipework within a duct in a concreate floor

    Am installing a new central heating system (building never had heating before) in my 1960/70's bungalow with a concrete floor and wish to minimize the visible pipe runs to the radiators. The majority of the pipework is in the loft with drops for each of the rooms in 15mm copper, where...
    • rgreen
    • Thread
    • central central heating floor heating pipework
    • Replies: 2
    • Forum: Central Heating Forum
  5. T

    Question: The purpose of actuators on heating pipework.

    I am currently installing four radiators as a favour for a friend in an office building of 3 floors – the rads are required on the ground floor. The heat for the building comes from three boilers connected in series. (All hot water is provided by several multipoint water heaters). Three branches...
  6. C

    feed and vent pipework improvements

    hi, i've had someone look at my heating system recently and he wants to combine the feed and vent pipes to help eliminate the air and other problems i have been experiencing over the last year following a boiler and pump upgrade. he also wants to remove the vent. arm above the F and E tank which...
  7. V

    Leaking Pipework under floor

    Morning all , I could do with some advice please . We were asked to find a leak in a sealed system . Big 2 story house . Oil boiler , about 24 radiators . Has been gradually loosing pressure for about a year . We went there yesterday and isolated the top floor , and dug down and...
  8. A

    Does thin copper pipework prevent radiators from achieving their rated BTU output?

    Hi – There are actually four questions I’m hoping you can help with – shown at the end of the post. In my living room even with the radiator on full blast pretty much all the time (and scorching to the touch), the room is never what you’d call cosy. It has one radiator at the door (600mm...
  9. F

    Cutting tracks for pipework

    Hi guys, first post here. Joined up to do a bit if research into a CH system we're having installed in the coming months. Our flat has a concrete cap on the solemn, and no gap between joists and floor/concrete, so only way to go below floor is to cut channels/tracks into the caber floor/joists...
  10. S

    Tmv on secondary return pipework

    Looking at a refurb job with limited space for fitting tmv under each basin,Architect speced tmv in cylinder cupboard,but the HW is on a pumped secondary.Didnt think you could have a Tmv on the secondary pipework...
  11. A

    Confusing pipework

    I'm trying to understand my pipework. Can you help? There are, of course, four pipes entering the (system) cylinder, boiler flow, boiler return, cold supply, hot water out. However, there is another pipe that tees into the boiler flow pipe between two motorised valves. What is this, where...
  12. S

    Pipework within a party wall yes or no?

    As title:
  13. S

    New builds-dropping pipework in a party wall

    Anyone know of where to find accurate information for dropping pipework in a party wall? I was always led to believe you can't do it due to regs/noise but looking at other plumbers installs they seem to do what they like.
  14. S

    sleeving pipework

    Been thinking, all pipework should be sleeved when passing through a wall. I always sleeve gas, hot and cold, even discharge pipework from boilers and d cylinders. Why don't we sleeve waste pipes or condese pipes through external walls? Especially on timber-framed dwellings which will shrink...
  15. M

    cold feed pipework in garage atated to house

    Hi will cold and hot water pipework be ok run in a garage attached to a house. The cold will be the cold feed to the house teeing of to the boiler ( boiler in the garage) and then the kitchen with the hot water pipework. Then both pipes go up into the ceiling void to supply the house. There is a...
  16. K

    flushing old pipework for new boiler intall

    hi getting a new boiler fitted next week potterton combi 28he plus, going to flush the system before the new install as old baxi 552 is 20+ years old , using x800 for clean, is this cleaner good stuff. any tips? thanks kevin
    • kevtrix
    • Thread
    • boiler new boiler pipework
    • Replies: 10
    • Forum: Boiler Advice Forum
  17. M

    First fix pipework testing.

    How do you guys who do site work accurately test first fix pipework etc before the gas meters are installed? I have got a few external gas runs that I have done, awaiting 8 meters to be fitted. The builder wants to paint all the pipes and take the scaffold down but the meters aren't due to be...
  18. M

    Pipework for downstairs radiators on new builds

    Hi on some new new build houses I plan to first fix the up stairs radiators in 15mm copper coming up though the floor at the pipe centers for the radiator. i,e rad. length add 45mm per side and the correct distance from the finish wall. However I am debating how to feed the downstairs radiators...
  19. D

    Vent for Shower Pipework in Loft

    A long time since I've been on here, but I need some more advice. Our 'spare' bedroom has a Mira power shower. The hot water is fed from the HW cylinder which is more or less on the same level but about 5 metres away, and the pipe runs up into the loft, and back down into the shower unit. The...
  20. H

    Dishwasher connection - any changes to my pipework required

    Dear all, Please can you help me understand if my existing pipework is going to be OK for the dishwasher installation. Maybe I need to purchase some other spare parts or change anything. The dishwasher installation team says everything must be in place when they arrive and unfortunately I...

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