Gas Safe RegisterOFTECRegistered engineers
Located in Belfast, servicing all of Northern Ireland[email protected][email protected]
blueprintBOILER SERVICES
[email protected][email protected]Book a service

Baxi boiler service in Northern Ireland

Baxi combis and system boilers are common in Northern Ireland gas homes. We service them to Baxi's own checklist, record the readings and fix the price up front.

Choose your preferred window. We confirm your exact slot by phone.

Book a serviceFrom £79Including VAT
Engineer checking the pump and controls during a boiler service: Baxi boiler service in Northern Ireland

Who makes Baxi boilers

Baxi is one of the oldest names in British heating, founded in 1866 and now part of the BDR Thermea group. It makes gas boilers for UK homes and is a familiar brand in Northern Ireland homes on the gas network.

Because Baxi makes gas boilers, your annual service needs a Gas Safe registered engineer. In Northern Ireland, gas work by anyone not on the Gas Safe Register is illegal.

  • Baxi 600 and 800: the current combi and system ranges, the most common Baxi boilers in newer installations.
  • Duo-tec: a long-running combi range found in a lot of homes.
  • EcoBlue: an earlier range of combi, system and heat only boilers.
  • Older Baxi boilers: including back boilers and older combis, serviced in the same way where parts allow.

A Gas Safe registered engineer follows Baxi’s service instructions for your model. A typical service includes:

  • checking the gas pressure and burner operation;
  • a flue gas analysis with a calibrated analyser, comparing readings to Baxi’s limits;
  • inspecting the burner and heat exchanger where the manual calls for it;
  • checking and cleaning the condensate trap;
  • checking the expansion vessel charge and system pressure;
  • testing safety devices, seals and the flue;
  • recording every reading on your service record.

Most services take about 45 minutes. If the readings are outside the manufacturer’s range, we explain what that means and what it would cost to put right before doing anything. See what a boiler service includes.

Baxi guarantees on new boilers usually need an annual service by a Gas Safe registered engineer, recorded each year. Some depend on the boiler being registered after installation.

Check your guarantee terms for the conditions on your model. Keep the service record from every visit together with the original paperwork.

  • Low pressure. Often a simple top-up, but a boiler that keeps losing pressure needs a repair visit. See boiler pressure low.
  • Condensate blockage. A frozen or blocked condensate pipe can lock out a condensing boiler in cold weather.
  • Ignition faults. The boiler fails to light or hold a flame. One reset is fine; repeats need an engineer.
  • Noise. Kettling, banging or a whistling sound, often from scale or poor circulation. See boiler noises.

We do not publish Baxi fault code tables. Codes differ between ranges, so your user manual is the reference, and our engineer will diagnose the fault on site.

A few things help the visit go smoothly. Clear the space around the boiler so the engineer can take the case off, and have any previous service records to hand. If your Baxi runs on LPG rather than mains gas, tell us when you book, as LPG pressures and settings differ and the engineer will bring the right equipment. And if you have noticed anything odd, such as a pressure drop, a noise or the boiler cutting out, mention it; it is far quicker to diagnose a fault the engineer knows to look for.

£79, fixed and including VAT. Book online or email [email protected]. Gas Safe To confirm: gasSafe.

Boiler ranges

  • Baxi 600
  • Baxi 800
  • Duo-tec
  • EcoBlue

Your manufacturer’s warranty

Baxi guarantees generally depend on an annual service by a Gas Safe registered engineer, with the service recorded. Check your guarantee terms for your boiler.

A clear plan, from booking to record.

Three steps to a boiler serviced to its manufacturer’s spec, with nothing to chase.

  1. Choose your service

    Pick your fuel and see the fixed price before giving us your details.

  2. Agree your visit

    Choose the day and arrival window that suit you. We confirm your exact slot by phone.

  3. Get your service record

    The engineer follows the manufacturer’s checklist and emails your service record the same day.

Before we call round.

The details that make booking a little clearer.

Still stuck? Call.

Talk through your boiler, your service or your plan.

[email protected][email protected]Send us a message
£79 for a gas Baxi boiler, or £89 on LPG, fixed and including VAT.
Most Baxi boilers have a reset button or a reset option on the display. Press it once and wait. If the boiler locks out again, stop resetting and book an engineer.
Most sealed systems run at about 1 to 1.5 bar when cold, but check the figure in your Baxi manual. If it keeps dropping below that, there is likely a leak or an expansion vessel fault.
The core checks are the same for any gas boiler, but the engineer follows Baxi's service instructions for your model, including its combustion limits and any parts it says to inspect or replace.

Useful next steps.

Your boiler has a spec. We work to it.

Choose your service and a preferred arrival window. We confirm your exact slot by phone.

Book a service[email protected][email protected]