Installation
Unvented Cylinder Installation
An unvented (pressurised) hot water cylinder delivers mains-pressure hot water to all outlets — no more trickling showers. Essential for modern system boiler setups, an unvented cylinder transforms your hot water experience.
From £799 1–2 days Gas Safe Registered
What's Included
- Unvented cylinder supply and installation
- Expansion vessel
- Pressure reducing valve
- Temperature and pressure relief valve
- Full commissioning
- G3 Unvented System Certificate
- Annual service schedule
At a Glance
Starting Price£799
Typical Duration1–2 days
CategoryInstallation
QualificationGas Safe Registered
LocationCorby & Northamptonshire
Finance0% available
Frequently Asked Questions
What is an unvented cylinder?
An unvented (pressurised) cylinder is connected directly to the mains water supply, giving you mains-pressure hot water throughout the house.
Do I need a special engineer to install an unvented cylinder?
Yes — unvented cylinders must be installed by a G3-qualified engineer. Our team holds the required G3 qualification.
Book Unvented Cylinder Installation in Corby
Fixed price, Gas Safe engineers, next-day availability.