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KodyGas Boiler Repair
Baxi 800 combi boiler with casing removed during repair

Service 01

Boiler repair in Rotherham

Homeowners and landlords across South Yorkshire with no heat, no hot water, fault codes or a boiler that keeps locking out.

About boiler repair

Boiler repair in Rotherham is how most of our jobs start. No heat, no hot water, a fault code on the display, or a boiler that locks out again and again. We find the fault, explain it in plain English, and give you a clear price before any work starts.

We cover Sheffield, Doncaster and Barnsley as well as Rotherham. Our Gas Safe engineers work on combi, system and conventional boilers from the main domestic brands, including Worcester Bosch, Vaillant, Baxi, Ideal Heating, Viessmann and Glow-worm. Common parts are on the van, so a lot of repairs finish in one visit.

If a repair is not worth doing, we say so. After diagnostics you get a straight answer, not a push toward a new boiler.

Part of our gas engineer work across South Yorkshire.

Common boiler faults we see in South Yorkshire

A lot of callouts come down to the same problems. Low pressure after a recent bleed. A stuck diverter valve that leaves you with heat but no hot water. A failed pump. Ignition faults. Or a PCB that has given up after years of use.

Older properties around Rotherham and Sheffield often run boilers that have been patched more than once. We check whether the next repair makes sense, or whether the money is better spent on a replacement before winter.

Bring the fault code if the display shows one. It does not replace a proper diagnosis, but it shortens the list of things we need to rule out.

Repair first, replace only when it makes sense

We carry common parts so most boiler repairs finish in one visit. If a part has to be ordered, we explain the lead time and book the return.

When a boiler is past economical repair, we set out install options without pressure. You decide. Our job is to give you the information to decide well.

Boiler repair across Rotherham, Sheffield, Doncaster and Barnsley

We are Gas Safe registered (625280) and based in Rotherham, so local jobs are everyday work rather than a long drive from outside the county. Sheffield, Doncaster and Barnsley are covered the same way.

For urgent no heat or no hot water, use our 24/7 emergency line. For everything else, book a standard repair slot that fits around your day.

What we check, and against what standard

Every repair starts with the same checks whatever the fault: system pressure at the gauge, which should sit around 1.0 to 1.5 bar cold and rise by roughly 0.3 to 0.7 bar once the heating runs, the fault code on the display, gas working pressure at the appliance, and the condition of the system water.

We run a flue gas analysis before and after, so we can show the appliance is burning correctly rather than just running. Where the fault traces back to system water rather than the boiler, we say so: magnetite sludge destroys pumps and heat exchangers, and BS 7593 expects inhibitor to be tested annually and re-dosed or fully tested every five years.

Repairs are carried out by Gas Safe registered engineers, registration 625280. You can check that number on the Gas Safe Register before we start, and the ID card also shows which types of work an engineer is qualified for.

How boiler repair works, step by step

  1. Call or message

    Tell us the make, model and what the boiler is doing. Fault codes help if you have them.

  2. Diagnose on site

    We test the system properly instead of guessing and swapping parts on a hunch.

  3. Clear price

    You get the fault explained and a fixed price before we start the repair.

  4. Fix and test

    We complete the repair, fire the boiler through a full cycle, and leave you with heat and hot water where possible.

What's included

  • Combi, system and conventional boiler repairs
  • No heating / no hot water diagnosis
  • Leaks, pressure faults and error codes
  • PCB, pump, diverter and sensor faults
  • Clear fixed price before work starts

What it costs

We do not publish a fixed repair price online because the cost depends on the fault, the appliance and the parts. After diagnosis you get a clear fixed price before we start the repair.

Boiler Repair across South Yorkshire

Based in Rotherham. We cover Sheffield, Doncaster, Barnsley and nearby towns.

See all coverage areas

FAQs

We aim for same day attendance where diaries allow. For urgent no heat or no hot water, use our 24/7 emergency line.

Ready for boiler repair?

Call now or send a quote request. We cover Rotherham, Sheffield, Doncaster and Barnsley.

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