Unvented Hot Water Systems

Considering an unvented hot water system for your property? At FlameTec Heating, we specialise in the installation and maintenance of high-performance unvented systems that deliver superior water pressure and efficient heating throughout your home.

Whether you're upgrading from a traditional vented system or installing a new unvented cylinder, our expertise ensures a seamless transition to more efficient hot water delivery. Contact FlameTec Heating at 07947848149 for a professional consultation about your unvented hot water system requirements.

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What is an Unvented Hot Water System?

An unvented hot water system connects directly to the mains water supply, operating under high pressure to deliver consistent, powerful hot water throughout your property. Unlike traditional vented systems that require a cold water storage tank in the loft, unvented systems are sealed units that heat and store water under pressure.

How Does an Unvented Hot Water System Work?

The system begins with cold water entering directly from the main supply at high pressure. This water flows into a cylinder where it's heated through one of two methods:

Direct Heating: Electric immersion heaters within the cylinder heat the water
Indirect Heating: A separate heat source, typically a gas boiler or solar panels, heats the water via a coil inside the cylinder

As the water heats, it expands within the sealed system. This expansion is managed by the expansion vessel, ensuring consistent pressure throughout the system.

Benefits of Unvented Hot Water Systems

Installing an unvented hot water system offers several significant advantages:

Superior Water Pressure: Delivers powerful showers and fast-filling baths across multiple bathrooms simultaneously
Space Efficiency: Eliminates the need for a cold water tank in the loft, freeing up valuable space
Quiet Operation: No more noisy ball valves or water hammer effects common in vented systems
Fast Recovery: Heats water rapidly, typically within 15-20 minutes
Clean Water Supply: Water comes directly from the mains, eliminating risks of contamination from stored water
Installation Flexibility: Can be installed almost anywhere in your property

Maintenance and Safety

Regular maintenance is crucial for unvented systems:

Annual service checks by a qualified engineer
Inspection of safety valves and expansion vessel
Testing of temperature controls and thermostats
Checking for limescale build-up in hard water areas

At FlameTec Heating, we provide comprehensive maintenance services to ensure your unvented hot water system operates safely and efficiently. Contact us at 07947848149 to discuss your unvented hot water system needs.

FAQs

What are the key differences between vented and unvented hot water systems?

Unvented systems connect directly to the mains water supply, providing consistently high-pressure hot water throughout your property. Unlike vented systems, they don't require a cold water storage tank in the loft, saving space and reducing maintenance needs. Unvented systems also deliver better water pressure, faster heat recovery, and more consistent water temperature.

How long does it take to recover hot water in an unvented system?

Unvented systems typically recover hot water within 15-20 minutes, significantly faster than traditional vented systems. This rapid recovery rate means you'll have consistent hot water available throughout the day, even during periods of high demand.

What maintenance does an unvented hot water system require?

Annual maintenance is legally required for unvented systems. This includes checking all safety components, testing the pressure relief valve, inspecting the expansion vessel, and ensuring the thermostat is functioning correctly. FlameTec Heating provides comprehensive maintenance services to keep your system running safely and efficiently.

Expert Unvented Hot Water System Installation

Transform your home's hot water supply with FlameTec Heating's professional unvented system installation. As G3 certified specialists, we ensure safe, efficient installation and exceptional performance.

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