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Problem with Greenstar condensing boiler

Atomichamster
Atomichamster Posts: 9 Forumite
First Post Photogenic
edited 20 October at 1:12PM in Energy
For a few weeks the heating has been on when the controls are set to hot water only.  Now today everything has stopped working, no heating or hot water.  Could this be the motorized valve that has gone?  I just need an idea of what it is before I call out a heating engineer.  Thanks in advance.

Comments

  • MattMattMattUK
    MattMattMattUK Posts: 11,757 Forumite
    10,000 Posts Fifth Anniversary Name Dropper
    Atomichamster said:
    For a few weeks the heating has been on when the controls are set to hot water only.  Now today everything has stopped working, no heating or hot water.  Could this be the motorized valve that has gone?  I just need an idea of what it is before I call out a heating engineer.  Thanks in advance.
    It could be lots of things, from the information you have given it could be absolutely anything. 

    Why do you need an idea of what it is before you call out an engineer? Their job is to diagnose and fix problems. 
  • QrizB
    QrizB Posts: 20,029 Forumite
    10,000 Posts Fourth Anniversary Photogenic Name Dropper
    More info required, please.
    Is your boiler a combi or a regular/system one? Do you have a hot water tank?
    N. Hampshire, he/him. Octopus Intelligent Go elec & Tracker gas / Vodafone BB / iD mobile. Ripple Kirk Hill Coop member.
    2.72kWp PV facing SSW installed Jan 2012. 11 x 247w panels, 3.6kw inverter. 34 MWh generated, long-term average 2.6 Os.
    Ofgem cap table, Ofgem cap explainer. Economy 7 cap explainer. Gas vs E7 vs peak elec heating costs, Best kettle!
  • Atomichamster
    Atomichamster Posts: 9 Forumite
    First Post Photogenic
    QrizB said:
    More info required, please.
    Is your boiler a combi or a regular/system one? Do you have a hot water tank?
    Yes, it's a condensing boiler as in the heading and there is a hot water cylinder. 
  • Atomichamster
    Atomichamster Posts: 9 Forumite
    First Post Photogenic
    MattMattMattUK said:
    Atomichamster said:
    For a few weeks the heating has been on when the controls are set to hot water only.  Now today everything has stopped working, no heating or hot water.  Could this be the motorized valve that has gone?  I just need an idea of what it is before I call out a heating engineer.  Thanks in advance.
    It could be lots of things, from the information you have given it could be absolutely anything. 

    Why do you need an idea of what it is before you call out an engineer? Their job is to diagnose and fix problems. 
    I just don't want to be ripped off.  I have been in the past.
  • QrizB
    QrizB Posts: 20,029 Forumite
    10,000 Posts Fourth Anniversary Photogenic Name Dropper
    Atomichamster said:
    QrizB said:
    More info required, please.
    Is your boiler a combi or a regular/system one? Do you have a hot water tank?
    Yes, it's a condensing boiler as in the heading
    "Condensing" describes every gas boiler installed in the past 20 years. It's not really a way of identifying your system.
    Atomichamster said:
    ... and there is a hot water cylinder. 
    OK, so not a combi then.
    S-plan (with two or more two-way valves) or Y-plan (with a three-way valve)?
    N. Hampshire, he/him. Octopus Intelligent Go elec & Tracker gas / Vodafone BB / iD mobile. Ripple Kirk Hill Coop member.
    2.72kWp PV facing SSW installed Jan 2012. 11 x 247w panels, 3.6kw inverter. 34 MWh generated, long-term average 2.6 Os.
    Ofgem cap table, Ofgem cap explainer. Economy 7 cap explainer. Gas vs E7 vs peak elec heating costs, Best kettle!
  • 20122013
    20122013 Posts: 600 Forumite
    500 Posts First Anniversary Name Dropper
    Atomichamster said:
    QrizB said:
    More info required, please.
    Is your boiler a combi or a regular/system one? Do you have a hot water tank?
    Yes, it's a condensing boiler as in the heading and there is a hot water cylinder. 

    I can understand that, I have warranty with Greenstar, and I wonder whether they still have a support line? as they uses to talk you through what to check.
  • Lorian
    Lorian Posts: 6,370 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    It could well be the two way valve stuck based on your first post assuming you have a Y plan system. There will be videos on YouTube on how to test it.
  • RavingMad
    RavingMad Posts: 840 Forumite
    Part of the Furniture 500 Posts Name Dropper Combo Breaker
    edited 21 October at 4:36AM
    Does the boiler try to fire up when you call for either heat or water?
    My old boiler (not a WB) which I never had serviced was full of gunk in the trap? Called out an engineer who cleaned it, serviced it and it was fine after that. Replaced it the following year for a different reason 
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