Most callouts start the same way — a tired or corroded installation, has been in place for many years and is starting to leak or no longer delivers consistent hot water. Here is what happens when its done properly.

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More Efficient

Removes leaks and reduces energy consumption

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Mains Pressure

Hot water delivered to all outlets

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Certified, Not Just Fitted

Every job signed off with a G3 Building Notice

Before

Before – Old Installation

After

Approved G3 Installers

Site Survey

We check your mains pressure, flow rate, and available space, and size the right cylinder for your household — no guesswork, no oversized units you’re paying to heat unnecessarily.

System Prep

Old tank and pipework removed, water isolated safely, floors and surfaces protected before any work starts.

G3 Installation

Cylinder, discharge pipework, expansion vessel and safety valves fitted to BS EN 12897 — the standard that actually matters for unvented systems.

Commissioning

Full pressure test, explanation to resident of how system functions, warranty paperwork handed over on the day and G3 Building Notice issued.