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system

  1. B

    Kitchen and bathroom system legit or not?

    Where and how does the water supply work and is there only one rising main pipe and where is it usually located? I am top floor flat, mains fed supply and all 6 in the block have a shared rising main pipe (I think unless there is meant to be more than one). Kitchen: From the ground floor to...
  2. S

    DIY Replumb Heating system

    Hi, I'm after some advice for a current system which I'm looking to replumb. Our house has had various extensions of heating system with newbuild extension and other additional rads over the years and now the system is inefficient and doesn't heat up consistently. In the extension, because the...
  3. P

    Isolating hot water supply - indirect unvented cylinder system

    Hello, I am fitting new taps and a shower mixer in my en-suite and was looking to isolate the hot water pipes. I have an unvented indirect heating system (have attached some photos). I was wondering if the isolation valve that would shut off the water to the hot water taps is as circled in the...
  4. E

    How to calculate heating system capacity for expansion tank

    Hello want to know on how do you calculate size of expansion tank for closed heating systems . for example 500 meters of 16mm underfloor heating and 4 double ~1000mm radiators , hot water cylinder coil , and oil boiler
  5. I

    Smart TRV system needed, any advice?

    Afternoon all, I have a customer with a heavily extended semi which now has 4 beds, 2 bathroom and 5 reception rooms. They have started working from home and want to zone the heating system, unfortunately the system boiler and cylinder is in the garage with 2 x 22mm primary pipes disappearing...
  6. J

    System or Heat Only Boiler

    A (if) CH system has a very high head loss due to improperly sized pipework and long runs and possibly partially blocked pipes and requires a UPS2 pump running at its 8M head to feed 21 rads with a theoretical output of 25kw at a 20C dT. A fairly old Vaillant 438 boiler is being replaced, the...
    • John.g
    • Thread
    • boiler heat system
    • Replies: 16
    • Forum: Boilers
  7. C

    Megaflo system fit not working

    Hi can anybody help me with a problem I am having. following a power cut the heating and hot water failed. The boiler would light but it would go out because of no flow. I thought it was the programmer blown because if it wasn’t calling for heat or hot water it doesn’t trip the electric,but as...
  8. T

    Advice on new system

    Hi all, sorry about the long post but a novice here looking for some advice... I've just bought a 12 bedroom private house with 3 bathrooms that we're turning into a guesthouse. The property was built in the 1970's or so and has an oil fired boiler with a standard copper cylinder. As far as I...
  9. A

    Removing old radiator pipes, do I need to drain the system?

    Hi All, I have two sets of radiator pipes that need removing. Although neither set of pipes have radiators on them anymore they are both still connected to the system and contain water. A plumber I have spoken to says to remove them he'll cut the pipes vacuum out/up any water and then cap them...
    • Adam Rifat
    • Thread
    • drain pipes radiator system
    • Replies: 0
    • Forum: UK Plumbers Forums
  10. G

    installing a wet ufh system from a 15mm CH leg

    HI folks, is it possible/feasible/reasonable to insatll an ufh manifold and system (for a 17m2 room) from a disused CH 15mm flow and return? I would install a 15 to 22mm reducer into a pump then a 2 port manifold then into the floor then. back into the return of the manifold. Its an old...
  11. Beyond the blue

    DIY air conditioning system

    DIY air conditioning system. I've got lots of plumbing experience and want to install my own a/c split system 3 to 1. I intend having it commissioned by an F Gas qualified company. When l tried to buy the system the supplier want all details of the F Gas registered 'installer' before releasing...
  12. J

    Cylinder System not running heating and water at the same time

    Hello, Newly moved into a house with a mains fed cylinder system. I've never had one before and struggling to get it working. When I turn either heating or water off at the timing unit, the other works fine. Eg, with heating off, water works and vica versa. The indicator lights are solid blue...
  13. T

    Oil Boiler and System upgrade

    Hi All, We have finally decided after a bit of a persuasion to have installed a utility room in our garage that currently houses our oil boiler. Initially we thought the boiler may stay in place but after discussions with the builder we would have to move the boiler to replace the floor and...
    • Type2jim
    • Thread
    • boiler oil boiler system
    • Replies: 7
    • Forum: Boilers
  14. G

    Control System for 3 zone Central heating?

    HI folks, this post is a follow up to my post relating to my single pipe heating system. In summary, I have a house built in 1980 (I bought it 2 years ago) that had a single pipe heating system but over the years there have been some changes made to the system that meant it didn't work. I have...
  15. M

    How to design a domestic plumbing and heating system

    I am starting a large victorian renovation and it will involve, (amongst everything else) installation of an entirely new heating and plumbing system. Plumbing, like most trades, seems to have two main aspects; design and installation. The installation part on my last two projects was painful...
  16. Zig168

    Should you powerflush a microbore system

    The system is about 20 years old and has never been cleaned. The radiator water looks like tar and several radiators are warm at top and cold at the bottom. What would be the best steps to clean the system? I have spoken to several engineers. One only recommends a magnacleanse due to being a...
  17. J

    Nightmare airlock in F&E system

    Hi all, Got a nightmare situation with a central heating system I recently adopted. It's an open vent system with a combined F&E pipe, with a Worcester greenstar danesmoor 18/25 oil boiler. Covers 10 radiators mostly large double panels, some towel rails and smaller rads too, as well as an...
  18. C

    Pumping over on vented system, despite cleaning, new pipework and ..

    … praying to the plumbing God, Bob Pictures and layout details attached, so be patient. 21 year old oil fired system in pretty good nick. I noticed some minor pumping over from the vent (occasional burst of water, and the odd dribble). Didn’t think much of it as I was about to replace the...
  19. K

    Converting single to two pipe system

    Hi All I have a single pipe central heating system which was extended 20 years ago when we had an extension. The heating upstairs has never been great particularly in the extended part with only a few of the original radiators getting very hot. We replaced the downstairs radiators with UFH...
  20. S

    System Chemical Flush Best Practice

    My first post here, looking for some advice. I've just had my boiler replaced with a worcester 4000 combi boiler. The engineer put chemical flush and inhibitor in when filling up, ran the raditors hot and then tested using a strip. And has left both in saying this is safe, and standard...

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