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4 ways to fix your boiler before calling an engineer

4 ways to fix your boiler before calling an engineer

Each month there are thousands of internet searches for ‘how to fix central heating’ ‘how to fix my boiler’.  This is no doubt done in a rush as you wake up to a chilly home or are welcomed with a cold shower.  However it is important to understand that ONLY a qualified Gas Safe engineer should EVER diagnose a fault(s) with your heating system and / or boiler.  If you have an oil boiler then this should be done by an OFTEC technician.

Whilst it may not always be necessary to call out an engineer, you should NEVER remove your boiler’s exterior case to attempt to fix a fault as this can be very dangerous.

  1. Reset your boiler

The first port of call is too attempt to ‘reset’ your boiler. Use your boiler manual to locate the reset button then hold this down for up to 20 seconds. After a short wait your boiler should start working again. If this fails to work you can try for a second time.

2. Re-pressurise your boiler

To check your boilers pressure, first ensure your boiler is cold. The pressure should be between 1 and 1.5 bar on the pressure gauge.

When the pressure is too high on your boiler then it is likely there is too much water in your heating system.  If the pressure is too low then the system needs topping up with water to maintain the pressure.

If you are unsure on how to re-pressurise your boiler please see our recent article.

3. Bleeding radiators

If you have radiators which are cold at the top, then it is more than likely caused by air in your system. Therefore, by bleeding the radiator the air can be released, allowing the hot water to circulate and heat your home.

For more information on how to bleed your radiators please see our article on ‘how to bleed a radiator’

4. Change thermostat batteries

Sometimes your heating issue could just be a result of the thermostat batteries needing to be changed.

What next?

In the event of a boiler breakdown, you should always enlist the help of a reputable company. They will be able to attend to your home ASAP to diagnose the fault and the provide you with a price to fix it.

Sometimes the fault can be rectified with a few adjustments on the boiler.  In other cases, a larger component may need replacing.  In this case depending on the age and condition of your boiler it can be more economical to replace your existing boiler with a new energy saving boiler. These new energy efficient models often come with a lengthy warranty giving you peace of mind.

If your boiler or heating system is making a banging noise, please see our earlier article on this topic. If your boiler is having difficulties maintaining pressure, we also have an article covering common causes.

To arrange an engineer’s visit or a free new boiler survey please call 01258 472132 or fill in the enquiry form.


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