Unvented Cylinder Installation
Unvented Cylinder Installation
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How It Works
A Gas Safe / G3-qualified engineer inspects supply, pipe runs and space, checks cold mains pressure and issues a clear written quote with recommended cylinder models and required safety components.
Why Choose us for Unvented Cylinder Installation?
True mains‑pressure hot water
Unvented cylinders supply hot water directly from the mains so showers and multiple outlets run at full pressure without the need for a cold tank in the loft.
Loft‑space and noise savings
No feed and expansion tanks required — you reclaim loft space and benefit from quieter operation compared with vented systems, ideal for modern loft conversions or compact homes.
Certified, compliant installs with warranty options
G3/Logic certified installation, WRAS-qualified plumbing and Ideal Max accreditation let us register selected cylinders with manufacturers for extended warranty cover and fully compliant BuildRegs documentation.
What an unvented cylinder does: An unvented cylinder stores hot water at mains pressure so your showers, baths and taps get consistent, instant pressure irrespective of how many outlets are in use. These cylinders are fed directly from the cold-water mains and include dedicated safety devices — expansion vessel, pressure relief valve (PRV), non-return valves and temperature controls — that must be installed and commissioned by a G3-qualified engineer.
Why choose LP Plumbing & Heating Ltd: Based in Larkfield, the Gas Safe registered, Logic G3-certified team deliver technically precise installs across Kent. We’re Ideal Max accredited for selected Ideal cylinders, WRAS qualified and carry common spares to reduce return visits. Most domestic installs are completed quickly depending on access and pipework; all work is issued with commissioning paperwork, manufacturer registration where eligible and clear user guidance so you know exactly how to maintain your system.