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1. www.grantuk.com › support › product-supportTroubleshooting Advice & FAQs for Oil Boilers | Grant UK

   www.grantuk.com › support › product-support

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   Get expert answers and troubleshooting advice on Grant's oil boiler support page. Find solutions to FAQs and valuable tips.

   • Installer Support & Advice for Oil Boilers | Grant UK

     Have some troubleshooting or technical questions related to...

   • My heating is regularly losing pressure – why? - Grant UK

     Go to Oil Boiler Support. Your boiler is a small but...

2. Videos

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     How to service a Grant oil fired boiler

     4 Aug 2023

     39.7K views

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     Grant Vortex Oil-fired Boiler Servicing and maintenance procedure

     1 Dec 2010

     46.6K views

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     How to Re-pressurise a Grant Combi Oil Fired Boiler #grant #oil #heatingengineer

     15 Nov 2023

     4.3K views

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3. www.grantuk.com › product-support › oil-boilerInstaller Support & Advice for Oil Boilers | Grant UK

   www.grantuk.com › product-support › oil-boiler

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   Have some troubleshooting or technical questions related to oil boilers? Take a look at our oil boiler technical page to find out the answers to your questions!

4. www.grantuk.com › support › product-supportMy heating is regularly losing pressure – why? - Grant UK

   www.grantuk.com › support › product-support

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   Go to Oil Boiler Support. Your boiler is a small but important part of any heating system. When a system is losing pressure, it is easy to ascertain if the boiler is at fault by following these steps: 1. Take the front cover off the boiler and look in and around the base of the boiler to see if there is evidence of a leak -if you find a leak ...

5. www.youtube.com › watchGrant Vortex Oil-fired Boiler Servicing and maintenance ...

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   A short video showing the servicing and maintenance on a Grant Vortex Condensing boiler. Features include: Checking the combustion chambers including turbul...

   • Video Duration: 2 min
   • Views: 46.6K

   • Author: Grant Engineering (UK) Limited

6. www.diynot.com › diy › threadsGrant Vortex 15-21 oil boiler not firing | DIYnot Forums

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   Dec 1, 2015 · #1. hi. My boiler has stopped igniting, I've checked the tank and there's plenty of oil (several inches). Have checked the and loosened bleed screw inside the boiler and oil is flowing freely. When powered, the pump in the boiler switches on and it just makes repeated clicking sound as though it is trying to ignite but doesn't.

7. www.diynot.com › diy › threadsIntermittent problem with Grant Vortex boiler | DIYnot Forums

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   Mar 6, 2010 · We had a Grant Vortex oil-fired combi-condenser fitted just over 2 years ago. Needless to say it's now out of guarantee. Started getting problems with the pressure dropping frequently in the autumn, and our installer came to the conclusion that we were having to top it up too often.

8. People also ask

   What are the most common grant combi boiler problems?

   • One of the most common Grant combi boiler problems that we hear homeowners talk about is low pressure in the system. This is often caused by a boiler water leak or reduced boiler system pressure after a radiator has been bleed. The best combi boilers can always breakdown when least expected.

   Grant Boiler Error Codes, Faults & Troubleshooting - Boiler Central

   www.boilercentral.com/troubleshooting/grant-boiler-error-codes/

   See all results for this question

   Why does my grant oil boiler not fire up?

   • When your Grant oil boiler won’t fire up, you’re not going to get the hot water and heating your home needs. Some of the most common reasons for this happening include: A faulty printed circuit board (PCB) which controls all of the different components may be faulty.

   Grant Boiler Error Codes, Faults & Troubleshooting - Boiler Central

   www.boilercentral.com/troubleshooting/grant-boiler-error-codes/

   See all results for this question

   Why is my grant boiler leaking?

   • There are enough issues with grant boilers without adding another. You must have a system/ boiler leak to be losing pressure. I have already posted our leaks from the auto valves and pressure sensor but since then we found another. The water make up valve (again a Grant part) was leaking. Since being fixed pressure has remained constant.

   Intermittent problem with Grant Vortex boiler | DIYnot Forums

   www.diynot.com/diy/threads/intermittent-problem-with-grant-vortex-boiler.217058/

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   Do grant boilers energise?

   • Our boilers require this signal, from the room ‘stat via a zone valve, in order to energise. If your unit can produce this signal voltage then, in theory, the boiler should function. If the system has an “ open therm ” configuration then this is only for modulating boilers, Grant boilers are range-rated and do not modulate.

   Installer Support & Advice for Oil Boilers - Grant UK

   www.grantuk.com/professional/support/product-support/oil-boiler/

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   How long does it take to register a grant vortex boiler?

   • Your Vortex boiler should also be registered with Grant Engineering (UK) Ltd within 30 days of installation in order to activate the product guarantee (if your installer is a G1 Installer, they will register your boiler via their G1 Portal). Where can I find the serial number of my Grant Vortex boiler?

   Troubleshooting Advice & FAQs for Oil Boilers | Grant UK

   www.grantuk.com/support/product-support/oil-boiler/

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   Are grant vortex floor standing oil boilers biofuel compatible?

   • All Grant Vortex floor standing oil boilers are biofuel compatible (depending on type of biofuel and % blend, for example: HVO or FAME). Biofuels are a renewable energy source, created from organic matter or waste. It will likely play an important role in reducing carbon dioxide emissions in the future.

   Installer Support & Advice for Oil Boilers - Grant UK

   www.grantuk.com/professional/support/product-support/oil-boiler/

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9. www.boilercentral.com › troubleshooting › grantGrant Boiler Error Codes, Faults & Troubleshooting | Boiler ...

   www.boilercentral.com › troubleshooting › grant

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   Dec 4, 2023 · We’ve identified three of the most common issues to help you get your boiler up and running. Remember that you will need a qualified OFTEC engineer for any work on an oil boiler. How to Bleed a Grant Vortex Oil Boiler? Is your Grant oil boiler not firing up? If your boiler has air trapped in the oil pipe, it has to be released before the fuel ...