Unvented Hot Water Cylinders
Expert Installation, Servicing & Repairs
At Gas Tech, we specialise in the installation, servicing, and repair of unvented hot water cylinders, offering reliable solutions that ensure consistent water pressure, energy efficiency, and long-term performance.
Unvented systems are ideal for modern homes looking to benefit from high-pressure hot water at multiple outlets—without the need for cold water storage tanks. Whether you're upgrading your system, dealing with a fault, or simply need routine maintenance, our fully qualified engineers are here to help.
Why Choose an Unvented Hot Water Cylinder?
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High Pressure at Every Tap – Enjoy powerful showers and fast-filling baths
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Space-Saving Design – No need for bulky attic tanks
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Energy Efficient – Improved heat retention and faster recovery times
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Safe & Compliant – Built-in safety mechanisms and installed to G3 certification standards
Our Services Include:
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New Installations – We assess your home’s hot water demand and install the right system for optimal performance
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Full Servicing – Annual servicing to keep your cylinder operating safely and efficiently
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Repairs & Fault Diagnosis – Fast, professional response to issues like pressure loss, no hot water, or temperature fluctuations
Fully Certified for Peace of Mind
As G3 Unvented Hot Water Cylinders Certified engineers, you can trust us to install and maintain your system in full compliance with Building Regulations and safety standards.