system | Page 10

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system

Recent contents Top users
  1. I

    Underfloor actuators working on one system but not on another?

    Downstairs I had a 12 port Hetta underfloor system installed by a plumber. Upstairs I installed an 8 port Hetta system myself using the existing pipework which had an old system on. Both systems are now fully Hetta with exactly the same components on (wiring centre, manifold, actuators...
  2. S

    Worcester Bosch System 8000 - Radiator symbol etc

    Hi I have a Greenstar 8000 Life 30kw system boiler and 250litre indirect unvented cylinder. The programmable Danfoss time clock is split Rads (controls upstairs rads) Hotwater (controls HW to cylinder). Ground floor is UFH and has a separate wireless Thermostat that kicks it on and off. All...
  3. S

    System Boiler turn itself on - first time

    Hi everyone, new to this forum, and hoping to get some help/views from experts. I have a system boiler, regularly serviced (last service 6 months ago). Never has an issue with it. I turn the heating on this morning, for the first time since last winter. Went to turn the thermostat down, and...
    • StefanoNeve
    • Thread
    • boiler system
    • Replies: 1
    • Forum: Boilers
  4. A

    Looking to replace Honeywell Diverter Valve on pressurised system

    Hi The area is near Telford in Shropshire. I have a 25 year old system. A gas fired Rayburn heats hot water and CH. The Honeywell diverter valve (the silver box thingy) has failed on the CH side, but I still have hot water. I bought a replacement, the Honeywell bit, connected to the 3 way...
  5. diy_plumb

    Advice on draining system of bungalow to replace 3-port valve

    I am a DIY'er and I need to replace the 3-port valve of my bungalow. I am aware I could bung the F&E but I don't really want to chance this approach with the risk of water going everywhere, but I'd also rather not FULLY drain the heating system. Possibiy a dumb question but the 3-port valve is...
  6. Learning Plumber

    Hot water system plan

    Any experienced plumbers out there kind enough to take a look at my hot water system drawing? You can be critical - I'm learning! It’s designed to supply PV solar preheated water to an electric water heater and then on to small bathroom (daily light use). At the end of an ‘average' day, I...
  7. K

    Going mad about system boiler efficiency - HELP!

    I'm a Worcester man. Hello! Anyone still there?.... I tried viessmann to up the efficiency and altho the boiler was nice, I couldn't live with their stupid vicare stat and lack of control and I'm a big believer in matched controls. I like the Worcester easycontrol (in essence) and the ability to...
  8. J

    Problems with small bore pipe and an old central heating system

    The small bore pipe to 4 radiators was completely clogged up. One radiator stone cold , others barely luke warm. Those plumbers that bothered to quote said ‘power flush’ but would not guarantee any success. So I tackled it myself, ripped up the floor boards and traced back the small bore that...
  9. P

    URGENT Do I need a expansion vessel fitted to my system

    I have just had a water meter fitted and since been told I need a small expansion vessel fitted to my domestic hot water system as the meter will have a NRV in. I have also been told no I don't as my boiler is over 10meters away from the meter and any expansion will be taken up within the...
    • Paul Jay
    • Thread
    • expansion expansion vessel system vessel
    • Replies: 1
    • Forum: Central Heating Forum
  10. R

    Trying to work out my CH/HW system...

    Hi all. After a bit advice to work out whether we're using our HW and CH system properly. All the kit is about 10-12 years old. Worcester Greenstar 30 CDI boiler installed in the porch, a programme with CH and HW options and a Copperform Flowaster 210 litre tank in an upstairs airing...
  11. S

    S Plan heating system, heating coming on with hot water

    Hi Guys, Had a question about a S plan system. When customer turns on a hot water tap the boiler gets demand for heating as well and radiators heat up, the heating radiator sign (Vaillant Boiler) flashes on the boiler display screen. Customer has said it has been like this for a year. I have...
  12. N

    Heating and water system

    Hi I am trying to get my system as efficient as possible but am a bit baffled by how my system operates. I have a regular boiler, nest control and an unvented water cylinder. So a few days ago I noticed my boiler had an F1 message and the pressure had dropped so basically I guess it wasn’t on...
  13. S

    Unvented Cylinder set up via gas system boiler and time clock

    Hi I wanted some steer from he forum for my set up. 2 storey house now extended on ground and a loft conversion. New plumbing install as of 18months. Worcester bosch 8000 life sysem boiler via natural gas. Time clock with HW / CH split, 7 day digital. 250litre Gledhill Select Indirect...
    • Space_Goat
    • Thread
    • boiler cylinder system unvented unvented cylinder
    • Replies: 15
    • Forum: Boilers
  14. T

    Need to buy Yellow tempering valve cap for Saxon hot water system

    Hey all! 👋 I need to buy one of those yellow tempering valve caps with the triangle inset on top of the lid, so I can adjust the tempering valve on my Saxon 140L hot water service.. it’s only got a crappy blue lid with no triangle inset, and I can’t adjust the valve any other way (difficult...
    • TerryMan
    • Thread
    • hot water system valve water
    • Replies: 1
    • Forum: UK Plumbers Forums
  15. D

    idea logic +30 system s30 boiler

    why does my idea logic +30 system s30 boiler stopped heating my water??
    • Davidc
    • Thread
    • boiler logic system
    • Replies: 1
    • Forum: Boilers
  16. I

    Baxi system boiler and Opentherm

    Hello Does anyone know if its possible to connect an Opentherm thermostat such as a Nest to a Baxi 800 System boiler. I know its possible with a Baxi 800 Combi but I cannot find any information on achieving this with a system boiler. I wondered if its possible to control the radiator flow...
    • Ian777
    • Thread
    • baxi boiler system
    • Replies: 20
    • Forum: Boilers
  17. F

    system drain two halves in inverted U

    I have a CH system where the downstairs is divided in two connected by pipes upstairs. One half has a drain valve downstairs that allows me to drain the upstairs and that half of the downstairs. How to drain the other half of the downstairs that does not have a drain valve ? I saw something...
  18. N

    Unvented system leak issue

    I had my old boiler replaced and changed to an unvented system and relocated into the loft. Everything worked well for the first month or so. I then had a different plumber and builder to create new bathrooms and also put on new radiators throughout. The original plumber came back to...
    • Novice needs help
    • Thread
    • leak system unvented
    • Replies: 16
    • Forum: UK Plumbers Forums
  19. I

    Gas rates on lpg system?

    Can somebody tell me how to gas rate on a lpg system longhand on a metric meter? On a condensing boiler open hot tap so boiler operates at max Two minutes test 2nd meter reading - 1st meter reading X 30 = m3/hr? Correct? Then converting this to kw net? M3/hr x propane calorific value 95...
  20. F

    Pipe sizing - Replacing a one pipe system with flow and return

    Hi, I'm a first time poster with a skill set akin to that of a competent DIY'er I guess. I'm planning on replacing a old in efficient one pipe system with a flow and return. This will be done on our recently purchased bungalow which has an oil fired boiler. Whilst I'm confident a 22mm flow and...
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