Hot Water Cylinder Services in Gillingham, Mere and Wincanton
G3 unvented qualified and Gas Safe. Installations, servicing, repairs and upgrades for unvented and vented hot water cylinders, sized to the property and set up to current safety standards. Unvented systems deliver mains-pressure hot water for powerful showers and multiple bathrooms when correctly specified and maintained.
Why Choose Us For Hot Water Cylinder Servicing and Repairs
Cylinders only perform if they are sized, protected and commissioned properly. Expect neat installs, clear documentation and servicing that checks the parts that actually keep you safe.
Gas Safe for boiler-fed systems - Unvented G3 qualified - Local and reliable - Genuine parts - Clear fixed quotes - Natural gas and LPG compatible systems
What We Install, Service and Repair
Everything is matched to water pressure, usage and space.
Unvented cylinders for mains-pressure hot water
Direct models with immersions or indirect with boiler coil
Towel rail and radiator hot water integration
TRVs and smart controls where appropriate
Secondary return loops and timers where required
Filtration and inhibitor to protect the whole system
Unvented systems must include correct safety devices, expansion accommodation and visible tundish discharge routing.
Cylinder Servicing
Annual servicing keeps safety devices working and validates many manufacturer terms.
Expansion vessel pressure checked and recharged to label
Pressure reducing valve, strainers and check valves inspected
Temperature and pressure relief valve tested and tundish checked for clear discharge
Thermostats and cut-outs verified
Immersion elements and wiring checked if fitted
Service record updated
Hot water systems must safely accommodate thermal expansion and prevent over-pressure
Repairs and Upgrades
Fast diagnosis and straight options before spend.
Dripping tundish or lifted relief valves
Poor flow or temperature swings
Expansion vessel failures and pre-charge loss
Leaking valves, weeps and noisy operation
Immersion element faults and thermostat failures
Relocation, capacity upgrades and secondary return additions
If parts are obsolete or uneconomical, you get clear replace-vs-repair advice with costs. Safety always comes first under G3.
Hot Water Cylinders & LPG
Gas Safe registered for natural gas and LPG, and G3 qualified for unvented cylinders. Fully certified to install, service and sign off both; never use anyone who isn’t Gas Safe as it’s unsafe and can void insurance.
WE ARE TRUSTED
AND CERTIFIED
How Cylinder Installation Works
Gas Safe and G3 qualified, providing Hot Water Cylinder servicing and repairs across Gillingham, Shaftesbury, Mere and Wincanton for natural gas and LPG, keeping systems safe and warranty compliant.
Step 1: Consultation
Confirm bathrooms, usage patterns and mains flow, then survey the cupboard for space, floor support, discharge route and electrics. Photos taken for accuracy.
Step 2: Clear quotation
Receive an itemised quote with model, capacity, valves and controls, plus labour, disposal, any adaptations and a target install date.
Step 3: Installation
Old unit removed, new cylinder, valves and expansion vessel installed, discharge pipework routed to tundish and safe termination, system filled and tested.
Step 4: Handover & Paperwork
Thermostats and immersions tested, benchmarks completed, settings explained and reminders offered for the annual service.
Brands We Work With
We install, service and repair most major boilers and hot water cylinders. Recommendations are brand-agnostic, matched to the property, water pressure and budget. Genuine parts used, warranties protected, paperwork handled.
Areas covered
Based near Gillingham, working across Shaftesbury, Mere, Wincanton and the surrounding villages in North Dorset, South Wiltshire and South Somerset. Keeping the patch tight means faster callouts, realistic arrival windows and better access to parts from local suppliers. If you are within roughly 30 to 40 minutes of Gillingham, you are in range. Send a postcode and we will confirm coverage and the next available slot.
Gillingham - Shaftesbury - Mere - Wincanton - Bourton - Zeals - Motcombe - Sturminster Newton - Bruton - Sherborne
FAQ’S
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It is the UK qualification for hot water systems and safety on unvented cylinders. It confirms the engineer can install, commission and maintain to Approved Document G. It is required for this work
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Every 12 months to verify expansion, safety valves and controls, and to keep many warranties valid.
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It usually indicates the pressure or temperature relief system has operated, often due to expansion vessel issues, faulty valves or high pressure. A G3-qualified check is needed.
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It relies on good incoming pressure and flow. If supply is poor, we can look at vented replacements, accumulators or other options after a site test.
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Most like-for-like replacements are completed in one day. Larger upgrades or relocations can take longer. Timing is confirmed after the survey.