plumbing and heating

  1. V

    Not enough heat on central heating

    Hi Looking for advice. Customer has a back platinum combi 28he and they have one floor with 5 rads and top floor with 6 and the last couple of rads on the top floor don't get hot enough. I've balanced them and got the last rads on the pipe run Luke warm. Wondering if I could fit a secondary...
  2. D

    System boiler & control recommendations & advice

    I’m struggling to choose my system boiler and controls, between all of the different brands, smart thermostats and technologies, I’m confused. Physical set up is as follows: System boiler and 210l Indirect unvented gledhill hot water cylinder 12 radiators across 3 bedrooms and one bathroom, 3...
  3. J

    One pipe system

    Hi, I have an installed a new radiator on a one pipe system, It is directly above the bypass and doesn’t have any bends. The inlet side pipe is red hot yet the outlet is approx 30% cooler. The radiator also feel cooler on the outlet side. I have checked for air and the pressure is 2 bar. lock...
  4. D

    Shower heat problems

    Customer has a gas boiler. Shower only gives out lukewarm water. All taps give out hot water. Have replaced the thermostatic mixer valve previously & the shower then worked perfectly. however over a period of weeks to months it gradually dropped in temperature back to where it is now with it...
  5. D

    Perforated cylinder coil, F&E tank overflowing (Ed.)

    Hi everyone, About a month or two ago we noticed that the F and E was overflowing quite a bit. We also had some rusty coloured water. I can see now from research that this would naturally point to a hole in the coil. I had a plumber out, who I wouldn’t use again because he seemed completely...
  6. H

    Vertical rads positioning vs efficiency

    Adding a vertical rad into our new extension. I noticed the pipes were centered in the wall which I didn’t like so I asked the plumber could we move the rad closer to the corner. Does anyone know of this affects the efficiency of the rad? We were told by moving it closer it would reduce the...
  7. andyr123

    which is the best F&E System between these 2 Systems?

    Hi all I am just wondering which setup do plumbers/heating engineers like the best out of these 2 systems with CH header tanks in the Loft? - and is one better than the other or do they both work as good as each other , any caveats with either? *Diagrams not - no-where near - drawn to scale...
  8. H

    Vado Capsule Connecting to overflow

    Trying to connect Vado Capsule kit to overflow. The issue is when I am trying to install either of the 2 waste adapters it came with to my existing McAlpine overflow they don't fit. Has anyone installed one of these and has the same issue?
  9. D


    Hi, This is my radiator in my bathroom. I want to change it to a towel rail. As a chippy I’ve done fair bit of plumbing but want advice on changing this. What would be the best pipe lay out? It’s a 500 rad getting changed to a 500 towel rail. I know the tails come underneath. Could I put a...
  10. M

    SALUS Model ST620RF not working, light stuck on a dim red

    I have an issue with my Salus thermostat (model ST620RF). All of the sudden, the lights on the receiver have gone blue and red (dimmed) and the heating and hot water stopped working. The thermostat has new batteries and is working fine as well. I have tried multiple times to re pair it and reset...
  11. Phil Smith

    Heating is on, Radiators are switched off but still getting hot?

    Hi, My heating is switched ON. 3x of my radiators TVR valves are OFF. BUT the radiators are still coming ON. I’ve checked the TVR valve and they are working, the pin is opening and closing they are ok. It seems really odd that this problem started at once, any idea what this could be...
  12. ryan14690

    Upsizing Pipe

    Hi, Could anyone tell me if it is ok to up the size of pipe from my radiators from 8mm to 15mm? My current configuration is 22mm from the boiler then it downsize closer to the radiators to 8mm. I would like to upsize from the 8mm to 15mm but in my head i dont think its possible. Might be...
  13. B

    radiator not working after bathroom renovation

    Hi, I recently had my bathroom renovated (including installation of a new towel rail) and ever since a radiator in one of our bedrooms has stopped getting hot. The only way we seem to be able to wake it up is by turning the overall heating up REALLY high. Any idea what it might be? It has...
  14. N

    Loft shower controls hot water for house?!

    Hello. So I’ve recently moved into a 1900’s terraced house with a loft conversion from 2001. The shower in the loft is either scorching hot or Luke warm. It also had problems with being jammed stuck until I loosened it with WD40. However, as it’s the loft, it’s not a priority (I imagine a...
  15. W

    What's the regulation pipe insulation in an unheated loft space?

    As in the title - What's the required insulation under building regs for heating pipes in the unheated loft space within a residential building? I can't seem to find any clear-cut answers.
  16. S

    Pipe sizes and new boiler

    Hi, I need some advice as I think I have hired a cowboy plumber who came with good recommendations... Have a 3 story house (via loft conversion). 2 Radiators in Loft (1 Single Large, 1 Bathroom) 4 Radiators on the first floor (1 Large, 1 Medium, 1 Small, 1 Bathroom - All single) 5 Radiators...
  17. C

    Stain on wood floor- ufh leak or chemical reaction?

    I spotted this dark stain on my wood floor around 3 weeks ago, last time the underfloor heating was on was in December. Yesterday I switched it on again and it seems to be getting bigger. The stain is dark, no cupping or crowning, no sign of water or moisture. Any ideas whether it's a chemical...
  18. J

    combi tap water slow

    Hi there , I have an ideal logic plus 24 combi , the pressure dropped and boiler cut out. I set pressure to 1 bar which was same as it has always been. All seemed fine till I turned on hot taps and saw that although it’s coming out hot it’s much slower than it’s ever been Any help would be...
  19. EcoGirl

    Horstmann Economy 7 Immersion Timer battery problem?

    Hi, Summary: I am looking to buy a replacement battery. Does anyone know where or how to find one? I believe this is the problem. I changed the tank to a thermal store. I left the Horstmann switched off at the mains ie no power to charge the battery, for several years. Apparently they won't...
  20. T

    No hot water but do have central heating

    Hi there When I switched on my hot water at the controls today, I noticed that I couldn't hear the 'normal' noises it would make once it comes on and the hot water cylinder isn't getting hot. I have tested the central heating and it works fine. I have a plumber doing work on renovation at...