Dumfries

Dumfries boiler repairs

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  • Fixed price repairs†
  • Same day & next day repairs available
  • Gas Safe Registered engineers
  • Manufacturer approved

† Find out whether our amazing fixed price repair and no fix no fee offers are available for your manufacturer by getting a quote today.

Your boiler repairs in Dumfries

Go Assist offers boiler repairs in Dumfries at a fixed price. We offer same-day or next-day visits wherever possible, and each repair is backed by our repair guarantee. We repair everything from faulty thermostats to broken pumps and fans.

Our engineers can repair any combi, gas or electric boiler. Booking takes a few minutes online, and you choose the date. On the day, your engineer tests the boiler and finds the cause of the fault. Any faulty parts are replaced, and the boiler is tested before they leave. When the work is done, they explain it and answer any questions.

Our engineers repair and replace parts such as fans, pumps, valves and circuit boards. Just describe what the boiler is doing when you book, and your engineer will take it from there. It helps to have the boiler's make and model to hand when you book.

Fault codes and lockouts in Dumfries

Most modern boilers show a code on the display when something goes wrong. Many then lock out. This means the boiler shuts down to stay safe until the fault is cleared.

Each make of boiler uses its own codes. Your manual lists what each one means. Write the code down before you do anything, as it may clear when the boiler resets. A boiler engineer in Dumfries can find the root of the problem and fix it.

Some codes have a simple fix. A low pressure code often clears once you top the pressure back up. Others point to a fault with the fan, the ignition or a sensor, and those need an engineer.

Press the reset button once, as your manual describes. If the code comes back, the boiler needs a repair, not another reset. Repeated resets can hide a real fault.

Some boilers have no display and use flashing lights instead. Count the flashes and check the manual. The pattern tells you which part has a problem.

Codes often point to the same few faults. Low pressure, ignition problems and a blocked condensate pipe are among the most common. Our guide to common boiler error codes explains more.

If the fault comes and goes, keep a note of when it happens. A pattern can point your engineer to the right part. If you think you can smell gas, turn the gas off at the meter if you can and phone 0800 111 999.

Ready to book? Choose a date that suits you online, or give us a call.

Call us now

0333 733 1234

Diverter valve faults and other boiler faults

We are often asked to fix faults such as:

  • Diverter valve fault, so radiators heat when they shouldn't
  • No heating at the times set on the timer
  • Boiler keeps losing pressure, so you top it up often
  • Thermostat not responding, with a blank display
  • Boiler keeps switching off while hot water runs
  • Boiler leaking from the pressure relief pipe
  • Error code on the display when the boiler starts

Book online in a couple of minutes, or call us on 0333 733 5127.

Areas we also cover

Boiler repairs are also available in these towns:

Popular boiler brands we fix

Our team repairs boilers from all well-known brands, including:

Boiler help & advice

Want to know more? Read our boiler guides:

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Dumfries Boiler Repairs FAQs

Below, we answer five common questions about boiler repairs in Dumfries. Our full boiler FAQ page goes into more detail.

What does a boiler repair cost in Dumfries?

You'll see the price before you book. Our online booking gives you an instant price based on your boiler and the fault. Many repairs are at a fixed price, depending on the brand. There are no hidden callout fees, and your engineer explains the repair before starting.

Will my repair be guaranteed?

Yes. Our repair guarantee comes with every job, whatever the fault or the make of boiler. You don't pay anything extra for it. Keep your booking details somewhere safe, as they make it quicker for our team to help if you need to get in touch later.

Why does my boiler pressure keep going down?

Most often, water is escaping somewhere. Check for drips under the boiler and around radiator valves. A faulty pressure relief valve can also let water out through the pipe outside. You can top up using the filling loop, but if the pressure falls again, the cause needs a repair.

Do you service boilers too?

Yes, our engineers service boilers too. Details of boiler servicing in Dumfries are on its own page. A yearly service checks that your boiler is safe and working well. It helps keep your manufacturer's warranty valid, and it can help your boiler last longer.

What do I do if my condensate pipe freezes?

Pour warm water over it until the ice melts, then reset the boiler. Check the whole outside length of the pipe, as ice can form in more than one place. If the boiler still won't restart, there may be another fault. Our engineers can find it and put it right.