22mm

  1. B

    Repositioning Radiators and Upgrading 15mm to 22mm

    I'm planning on relocating the pipes for radiators 1 & 2 to make way for a steel beam. Radiators 1 & 2 will branch off the main flow and return between radiators 3 & 4. I noticed the flow & return leave the boiler in 22mm copper and steps down to 15mm copper before the first radiator, this then...
  2. D

    Brass fittings on plastic pipe?

    Hi, Further adventures in the fitting of the 70’s avocado suite! I’m fitting the bidet. There’s not been one before so new hot and cold feeds plus waste. The waste isn’t a problem and I thought the water would be simple but when I lifted a floorboard to tee off of the hot and cold, the 22mm...
  3. AdFromEssex

    Are these CH or HW pipes?

    Evening all. Just wondering if anyone can give me an idea what these pipes may be, please: House built c1905. Concrete floor (rest of the house has floorboards). These are within a kitchen cupboard that is against the party wall, roughly opposite the original kitchen back-door. The...
  4. R

    Best way to do 4x 22mm holes in masonry

    I'm delivering water feeds (via Speedfit 22mm) for a newly installed unvented cylinder in a cellar under the front sitting room to a utility room in the back of the house also on the ground floor. This will involve four separate 22mm feeds (cold supply, hot return, and supply/return for...
  5. A

    Leave 22mm or replace

    I've replaced my old radiators and rejigged where they sit in the rooms (two smaller spread apart rather than one huge). The existing system now has a 4m length of 22mm that feeds two radiators and just doesn't need to be that size. Would the system run better with the pipe reduced to 15mm or...
  6. denzildexter

    How to connect black water main plastic pipe to 22mm Copper pipe

    Hello Forum, I'm thinking of plumbing in a water softener myself (mainly because no local plumbers want to do the job for a sensible price). I've been advised that it should be connected to 22 mm pipes as I have a combination boiler. The existing pipework is 15 mm. I've an idea of how I want...
  7. T

    any 22mm garden tap?

    Our water mains are in 22mm and if I wanted I could easily take a 22mm pipe through the wall to connect it to our garden tap (yet to be installed). I have done some due diligence and cannot find any garden tap which accepts a 22mm pipe, with a 22mm backplate and a 22mm non-return valve. Am I...
  8. T

    Advice on rerouting pipes and reducing noise

    Hello, I will be refurbishing a 1960s house and am considering what aspects of the plumbing might need changing, there's a couple of points in particular I would appreciate advice with. Some of the pipework looks like it might be 50 years old, other bits look like they were changed more...
  9. M

    Non standard replacement trv head?

    Hello, I'm in the process of trying to find a replacement trv head for a radiator in a flat which is part of a district heating scheme. All the other radiators are connected by 15mm pipe and are m30 fittings, but this one is on 22mm pipe and an m30 fitting is too small. I can't be the only...
  10. A

    Replacing 26mm thick chipboard flooring

    Hi, As above, I've got a few sections of chipboard flooring that could do with being replaced before we get our new laminate flooring put down. Got the calipers out and it seems as though my T&G chipboard floor boards are 26mm deep. Most places only supply 18/22mm thicknesses (have found 26mm...
  11. R

    Exposed shower valve - 22mm inlets?

    Need a bit of help replacing an old leaking exposed shower valve, specifically finding something to replace it with. It's a round type of valve (old Bristan Pisa) rather than a bar-shaped valve, see attached pic. The inlet pipe centres appear to be about 155mm. I bought a new valve before...
  12. Fonzyrelli

    Weeping compression nut on gate valve & Shower Valve

    Hi everyone I'm currently doing up my bathroom and I need some help please. :( Gate valve. I've currently replaced gate valves on the cold and hot pipes coming into the bathroom so this can isolated whilst the rest of u the house has water but the problem is the cold pipe gate valve is...
  13. M

    15 or 22mm for my Cold Mains? Water loop?

    Hi, I have just plumbed all of the Cold Water for my house. I have put in a new 15mm stop cock, pressure reducing valve, drain cock and then 15mm copper pipe with soldered joints to my Kitchen and then to my bathroom. I have done it ALL in 15mm, including up to the Bath taps etc. The reason...
  14. I

    Ways to prevent a slip coupler from slipping when soldering onto a vertical copper pipe?

    Any ideals on the best way to preventing a copper solder slip coupler from slipping down a vertical copper pipe while soldering please? The reason for the question is I need to remove a section of vertical copper pipe to install a solder tee fitting to branch off. The vertical pipe is clipped...
  15. A

    New Boiler Install/Kitchen Extension Dilemma!

    Hi all - hoping someone can help with the issue I am having - I will try to keep this simple! We are having a kitchen/dining room extension - new downstairs bathroom, kitchen replaced etc and as part of this, wanted our 20+ year old combi boiler moved to the back of the new extension. As part...
Back
Top