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heating system

  1. CorgiDirect

    Fernox heating system chemicals, filters and equipment now available

    Over 35 Fernox heating system chemicals, filters and equipment now available from CORGI direct View Range
  2. S

    Sanity check for new central heating system quote

    I bought a house last year which had very inefficient electric heaters and no gas connection. The house price worked out cheaper even if I do all the works so I went ahead with it. I now have a gas connection installed and am in the process of getting a full central heating system. The house...
  3. S

    Central heating system making loud vibrating noises at seemingly arbitrary times

    Hi all! I hope this is is the right place to be asking this question. I have searched all around the internet but can only find issues that are similar, none that are the same as mine. I can get specific models of everything and take pictures when I am home if that would help anyone give...
  4. I

    I've made my heating system worse!

    Hi all I have an issue with a couple of radiators that I'm hoping I can get some expert eyes on to help diagnose. I recently drained down the heating system, fitted some TRVs and then refilled and since then have two problem rads. They are both in a single storey extension to the side of the...
  5. D

    Ballancing an S Plus Plan heating system

    Hi all, i have to ballance a system which has half underfloor and half radiators. the underfloor is fine, however the radiators need ballancing. would you suggest having the underfloor switched on or off to ballance the rads correctly? each zone has a seperate 2 port. there will also be an 3rd...
  6. C

    Draining heating system in top floor flat

    hello, I recently moved into a new property, after noticing a few of the radiators having cold spots I put a chemical cleaner into the system to run for a few weeks. I’m unable to find a drain off at lowest point of system (laminate flooring) there is only a gate valve connected to the...
  7. R

    Replace heating system pressure relief valve and expansion vessel

    Calling all pro plumbers :D I appreciate this isn't black and white, but in its most basic form could anyone give me a rough idea of how much it would cost (in terms of parts and labour) to carry out the above titled job for an oil fired boiler. Just a ball park figure would be great. Many...
    • Robot22
    • Thread
    • expansion expansion vessel heating heating system pressure replace system valve vessel
    • Replies: 8
    • Forum: Central Heating Forum
  8. M

    Unvented heating system pressure

    I have an issue with a Ideal logic 35kw boiler and system pressure. Boiler was over pressuring and the prv kicked into action and released the excess pressure as it should. My issue is I have changed the expansion vessel and prv. Filled the system to 1.5 and set the heating running and at...
  9. J

    New Build house - danfoss heating system

    Hi everyone, Im a frustrated new build home buyer who wish I never gave in to my missis and bought an older property! Im hoping someone can offer me some advice. We have a danfoss thermostat system fitted to an ideal combi boiler. Our problem is that when we turn the downstairs heating on...
  10. G

    Old Single Pipe heating system problem

    I have recently had to cap 3 radiators in a single pipe system and since then the system has stopped working. The boiler works and the pump seems to turn on but water doesnt seem to circulate. I thought maybe capping the radiators had broken the system loop but dont think this is the case...
  11. jarnold231

    MCZ Pellet central heating system

    Good morning, I'm trying to get an MCZ Hydro-22 pellet stove to provide heating. The stove is operational and is providing hot water to the taps, but it is not supplying the radiators. Things I have done: 1. Bled radiators 2. Re-pressurised system (all gauges showing 1.5 bar) 3. Set...
  12. king of pipes

    Filling heating system with softened water

    I have a job with a pre plumbed cylinder the filling loop is attached and piped in with it, my issue is I am putting the water supply supply through a Tapworks AD9 Ultra which will supply all the hot water and cold water taps and showers except for the quooker tap in the kitchen, not sure I like...
  13. B

    LOOSING PRESSURE ON COMBI HEATING SYSTEM

    Gradually losing pressure on combi. heating system. A smallish system in a flat, 7 radiators+ a couple of towel rails. No sign of any water leaks. The boiler is a VOKERA UNICA 32HE. Have been advised that it could possibly be the boiler expansion vessel. If it is this, is it a relatively...
  14. M

    Back Boiler System and oil central heating dual heating system?

    Hi, i am moving into a house with a back boiler open fire. which is great apart from working long hours and not been in to keep the fire going? i want to keep the system but would like a back up sytem that will kick in when the fire goes out? would i be able to put in a oil central heating...
  15. D

    Central Heating System losing pressure despite replacement parts and multiple visits from plumber?

    Good afternoon, Our system is losing pressure on a daily basis. Despite repeated top ups. I have listed the key points below. When motorised valve on the heating side is switched to automatic. System loses pressure overnight. Guage on top of expansion tank drops to zero. I then top the...
    • Deleted member 100166
    • Thread
    • central central heating heating heating system plumber pressure replacement system
    • Replies: 21
    • Forum: Central Heating Forum
  16. M

    Central heating system drained, leaks repaired and now gushing flowing noises in radiators and pipes

    I had a new boiler installed 3 years ago. Recently, I called in a plumber to fix leaking radiator valves. He drained the system and repaired the leaking valves. He also fitted 2 TRVs on 2 radiators in my lounge where there hadn't been TRVs before. I have a large lounge (originally 2 rooms) with...
  17. Pauld1962

    Unvented heating system, unusual boiler fault

    Called to a customer today and the system boiler keeps repressurising on its own ... After I dropped out all the pressure I watched as it refilled ... The filling loop was disconnected at the time ... Customer reports that it's never done it before ... The only way I could stop it was to turn...
  18. O

    New heating system: 4 bed,2 bathroom, UFH/radiator mix

    Hi We are getting new heating installed. Likely go with Viessmann - looking for set and forget, high efficiency, high comfort level, weather comp heating with high modulation ability x20 levels from 1.6kW to 35kW -- Question is, what to choose: system boiler + unvented cylinder (180 litre), or...
  19. D

    Flushing out central heating system

    Morning all! I'm about to flush out my central heating system then put some cleaner in before flushing again then putting the inhibitor in. My question is do I need a magnaclean type device fitted prior to doing this? Bit worried it might damage the boiler. Thanks in advance
  20. Deanoss

    Advice for heating system to install

    Hi Guy's, I am moving into a property that currently has storage heating and no gas supply. The hot water system is a vented set up with tank in the loft and cylinder in a cupboard under the stairs. I have arranged for a gas connection to the house but am left wondering what to do for the best...

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