Boiler parts replacement in Warwick and Leamington Spa in Claverdon Warwick
PCB, fan, pump, diverter valve, expansion vessel, pressure relief valve or heat exchanger. We prove which part has failed and why, fit genuine parts, and deal with the reason it failed so you are not back here next winter. Serving Claverdon and the surrounding Warwickshire area.
No call-out fee on booked jobs · Written price before any work starts · Same day where we can
Claverdon, Warwickshire
Boiler parts replacement in Warwick and Leamington Spa in Claverdon
We cover Claverdon and the CV35 postcode area from Warwick. Parts are only replaced once the readings point at them, and system water condition, filtration and pressure are checked at the same time so the new component in your Claverdon boiler is not sent back into the conditions that killed the old one.
Property context
Housing across Claverdon varies enough that no two jobs are quite the same. Older properties often hide a mix of copper, plastic and imperial pipework, while newer homes tend to run sealed systems with unvented cylinders.
Heating in the area
Heating work in Claverdon covers the full range, from a boiler that keeps losing pressure to a whole system replacement with new radiators, controls and a properly sized cylinder.
Plumbing in the area
We handle day to day plumbing repairs in Claverdon alongside larger projects such as bathrooms, ensuites, cylinder replacements and mains water boosters.
Postcodes we cover around Claverdon
- CV35
Accredited & approved
Registered engineers, manufacturer-approved brands
Boiler component repairs across Claverdon
The right part, for the right reason
Most boiler repairs come down to one component: the fan that will not reach speed, the pump that is no longer shifting water, the diverter valve that has stuck between heating and hot water, the expansion vessel that has lost its charge, the pressure relief valve that is passing water down the outside overflow, the PCB that has stopped talking to the rest of the boiler. Serving Claverdon and the surrounding Warwickshire area.
The trick is knowing which one, and why. A pump that seized in black sludgy water will seize again in the same water. An expansion vessel that fails leaves the pressure relief valve weeping, so swapping only the valve solves nothing. We test the system, not just the part, and tell you what needs doing to make the repair hold.
Genuine manufacturer parts on anything still in warranty, registered so your cover stays intact. Gas Safe registered, based in Warwick and covering Leamington Spa, Kenilworth, Whitnash, Cubbington, Radford Semele, Barford, Wellesbourne, Harbury, Southam and Stratford-upon-Avon.
Common signs to look out for
- Water dripping from the overflow pipe outside
- Pressure gauge climbing high when the heating runs, then dropping cold
- Hot water lukewarm, or heating firing when you run a tap
- Boiler noisy, humming or not circulating properly
- Fan running loud, rattling or failing to start
- Display dead, scrambled or throwing communication faults
Boiler component
Get the failed part identified properly
Speak to a real Warwickshire engineer, no call centres.
Gas Safe registered engineers, workmanship guaranteed.
Local · Trusted · Insured
Our work
Recent jobs across Warwickshire
A snapshot of the work we've completed lately, tidy, guaranteed and signed off end-to-end.
How we work
A simple, honest process
- 1
Diagnose first
Meters and an analyser on the boiler before anything is opened up, so the failed component is proven rather than assumed.
- 2
Confirm the part
Exact part for your make and model, availability and timescale confirmed with you before we order or fit anything.
- 3
Fit and register
Genuine parts fitted properly, and registered where the boiler is still under manufacturer warranty.
- 4
Fix the cause
System water, filtration, pressure and controls checked so the new part is not sent back into the conditions that killed the old one.
Failed boiler part?
Speak to a Gas Safe boiler engineer
Boiler components
Parts we replace most often
- Boiler PCB repair and replacement
- Boiler fan replacement
- Boiler pump repair and replacement
- Diverter valve and diverter cartridge replacement
- Expansion vessel replacement and re-charge
- Pressure relief valve (PRV) replacement
- Heat exchanger repair, descale and replacement
- Ignition electrodes, flame sensing probes and gas valves
Boiler component
Get the failed part identified properly
Speak to a real Warwickshire engineer, no call centres.
Pressure faults
Expansion vessels, PRVs and pressure that will not settle
A boiler that keeps losing pressure, or one where the gauge climbs towards the red when the heating runs, is almost always a pressure component rather than a mystery. We check the expansion vessel charge with the system drained down, test whether the pressure relief valve is passing, and look for the small system leaks that show up as damp patches or corroded valve stems long before they show up on a floor.
Getting that order right matters. Replace a passing PRV while the expansion vessel is flat and the new valve will pass too, because the pressure is still spiking every time the boiler heats up. We fix the cause first, then the symptom.
Boiler component
Get the failed part identified properly
Speak to a real Warwickshire engineer, no call centres.
What customers say
Trusted by Warwickshire homeowners
Read all 85+ reviews5.0 / 5
Based on 85+ Google reviews
"Replaced our ageing boiler and rebalanced the whole system. Quiet, efficient, and the radiators have never been hotter. Exceptional service from start to finish."E. HargreavesWarwick
"Fitted a new combi boiler and re-piped our airing cupboard. Immaculate workmanship and left the house spotless. Genuinely the best tradesman we've had."S. PatelLeamington Spa
"Annual landlord gas safety checks across our portfolio, always on time, paperwork in order, tenants happy. Highly professional outfit."D. AllenWarwickshire
Coverage
Also covering near Claverdon
Same-team engineers across the county. If your town isn't listed, give us a call, we cover most Warwickshire postcodes.
Answers
Frequently asked questions
What people ask us about boiler parts and component failures.
Yes. PCBs, fans, pumps, diverter valves, expansion vessels, pressure relief valves and heat exchangers, all fitted by Gas Safe registered engineers working out of Warwick.
Usually a passing pressure relief valve or a flat expansion vessel. We test the vessel before condemning the valve, because replacing the valve alone will not fix a failed vessel.
On a reasonably modern boiler in good condition, yes. On an old unit with scarce parts we will tell you straight rather than take the money.
Often yes. A sticking diverter valve or worn cartridge is the classic cause, and we confirm it with flow and return temperatures before replacing anything.
Yes, and on boilers still in manufacturer warranty we only fit genuine parts and register the work so your cover stays intact.
We measure before we replace. Sensor resistances, fan speed feedback, pump performance, gas pressure and rate, combustion, and system pressure behaviour hot and cold. The readings identify the part, the fault code only points at the area.
Water dripping from the outside overflow usually means either the pressure relief valve is passing because debris is sat on the seat, or the expansion vessel has lost its charge and the system pressure is spiking when it heats up. We test the vessel before condemning the valve, because swapping the valve alone will not fix a flat vessel.
Often yes. If the diaphragm is intact the vessel can be drained and re-pressurised to the right charge. If the diaphragm has failed it will not hold and it needs replacing, or an external vessel fitting where the internal one is not serviceable.
It depends on the boiler. On a reasonably modern boiler in good condition, yes. On an old unit with scarce parts, a PCB is a large spend on something that may fail elsewhere next winter, and we will say so rather than take the money.
Usually. A sticking diverter valve or a worn diverter cartridge is the classic cause of heating running when you only asked for hot water, or hot water that is not hot. We confirm with flow and return temperatures before replacing it.
Yes, and on boilers still in manufacturer warranty we only fit genuine parts and register the work so your cover stays intact. We do not fit cheap aftermarket parts to gas appliances.
Fans, pumps, diverter valves, PRVs and expansion vessels are usually the same visit where the part is stocked. Heat exchangers and PCBs on less common boilers can need ordering, and we tell you the part and the timescale before you commit.
Only if the reason it failed has been dealt with too. A pump that died in dirty water will do it again, so we talk about system water condition, filtration and pressure at the same time rather than leaving you back here in a year.
Send us the details
Request a straight-talking quote
Tell us what's happening, brand, symptoms, how long, any fault codes. We'll come back with a clear price and next steps.
Ready when you are
Speak to a Warwickshire engineer
Call, WhatsApp or request a written quote, whichever is easiest.