Our engineers hold the G3 Building Regulations qualification required for safe unvented cylinder installation and maintenance—ensuring full legal compliance and your peace of mind.
No subcontractors. Our in-house plumbers and Gas Safe engineers handle everything from system design to electrical connections by NIC approved electricians, delivering seamless cylinder replacement Cambridge without mark-ups.
Open vented cylinders: Traditional gravity systems, feed tanks, and full replacements
Unvented cylinders: High-pressure mains-fed systems for powerful showers (Mains pressure hot water)
We supply and fit leading brands, including pipework modifications, expansion vessels, safety valves, temperature/pressure relief valves (for unvented), and full system commissioning.
UK regulations require unvented cylinders to be serviced every 12 months by a G3 qualified engineer. We check expansion vessels, safety valves, pressure relief valves, and discharge pipes to prevent scalding risks, explosions, and breakdowns.
No hot water, leaks, noisy operation, thermostat failures, corrosion, or safety valve discharge. We identify root causes and provide cost-effective solutions.
Upfront quotes with no hidden fees. Free site visits to assess your current cylinder and recommend the best open vented or unvented solution.
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The G3 Building Regulations qualification certifies engineers to safely install, service, and repair unvented cylinders. Legally required for all mains-pressure hot water systems.
£1,200-£2,500+ depending on size (150-300L), brand, complexity and system works. Free quotes after survey.
