020 8016 2350

Unvented hot water systems


Investing in all the essentials is vital to make your living area cosier and more comfortable. Among all the essential items is an unvented hot water system. Although the electric unit is expensive for a house, it is worth the money as it offers high efficiency and lasts for an extended period, requiring occasional upkeep. Unvented burning liquid systems consume smaller space in a home for installation and offer an adequate discharge rate to the faucets and showers. Only if you reside in regions experiencing above-normal cold weather would you understand the necessity for investing in a burning water system. The device offers numerous benefits to the users while keeping their comfort in check. Before we proceed any further, do also keep in mind our range of services mentioned on our homepage. Learn more about segments such as emergency boiler repairs London to name one. 

Boiler Servicing and Maintenance

We believe that your safety and the safety of your home is of utmost importance during a boiler service or any other gas appliance-related work. Our customer-first approach is what has allowed us to build up a stellar reputation over the last decade. The only way to ensure that your boiler or appliance is functioning efficiently and safely is with regular maintenance and professional servicing, which are usually carried out annually. There are a number of reasons to get a yearly service.


Things to look out for in an unvented hot water system

If you’re considering buying the appliance for your home, here are a few things to know:

  • Increases Efficiency – This heating system can boil water faster than any other device. So, you don’t have to wait long before the water is hot enough to enjoy a shower or clean the dishes.
  • Highly Affordable – It is a well-known fact that an unvented hot water system is more affordable than other types of heaters, allowing you to save considerable money on the purchase.
  • Lasts a Long Time – This device can easily last more than fifteen years without needing storage or a header tank. Besides, it emits no toxic substances, making it environmentally friendly.
  • Simple to Repair – It doesn’t matter whether you are experienced in repairing warm water systems because the device is simple to establish. An unvented hot water system has no moving parts, which makes it straightforward to fix, thus eradicating any fuss. You will not enjoy these benefits in steam heaters because they take a few days to repair.

On the contrary, did you know that our team at Boiler Solutions work on creating blogs that provide answers to questions such as why does my Vaillant boiler keep losing pressure? Check it out and other articles via our site.

How does an unvented cylinder function?

Since an unvented barrel is such a helpful device in residence, let us learn about its functions, role, and importance in the plumbing system. In a piping system, you must know that freezing water is transmitted from the mains to the unvented barrel. The cold liquid penetrates the barrel from beneath when you turn on the valve. The strong force from the cool water pushes the boiled water out of the lid. So, as quickly as you unlock the valve, boiled water moves from the faucets and showers. In case you don’t already know, two kinds of unvented boiling liquid systems prevail: direct and indirect.

While a direct unvented hot water system utilizes power to boil the liquid with immersion heaters, an indirect vessel uses the steam generated by the heater to warm the liquid. An unvented vessel consists of no freezing water container. Instead, it contains a locked hot water vessel provided directly by the cold water mains at increased force. The container remains under the energy coming from the central water reserve. It is supplied immediately from the mains into the vessel, handing over a considerable volume of mains pressure and hot water to different restrooms, making it perfect for substantial estates with numerous showers and faucets.

Apart from that, find out more on how to go about accessing a hot water cylinder service in London through Boiler Solutions. Read more by visiting our homepage.

Your Local London Boiler Company

We cover all of London - from Wandsworth to Westminster and Brixton to Bromley and everywhere in between. If you’re looking for a boiler service in London then you’ve come to the right place. Boiler Solutions is one of London’s leading plumbing and heating companies.


How does an indirect unvented cylinder function?

An unvented warm vessel accumulates water transferred straight from the mains. Its primary function is to warm the freezing water provided by the mains with the aid of a heater, offering high-force boiled liquid to the channels. When the stress of boiling water rises, it permits the valves and showers to function better without requiring extra pumps. When the water boils, it swells. And when it grows, it demands extra area to accommodate such expansion. For this purpose, an upsurge vessel joint to the vessel or the liquid system is required.

In case you don’t know, an unvented cylinder protects against rising pressure for better monitoring, and it also features an expansion support pipe discharging the overheated liquid from the system. The size or litre capacity of an unvented cylinder you require for a residence rests on your water need and the size of your house. A more extensive cylinder would be more appropriate if your enormous home has numerous restrooms and faucets. The device is usually suggested by people living in colder regions because:

  • It warms and reheats liquid quickly.
  • It is constructed using high-quality material.
  • It offers a high discharge speed.
  • It is available in various litre capacities.
  • It is insulated to minimize warmth loss.

Featured videos


Going for a vented hot water system

Hopefully, now you understand that an indirect unvented hot water system obtains warmth from an outside source, most commonly in the shape of a gas heater. The liquid is then transmitted via a copper coil into the cylinder, boiling the surrounding liquid without blending. A direct warm water vessel utilizes an interior part as an immersion heater to supply warm water to estates without a gas connection. Whether you fix a vented or an unvented water system rests on the demand of a residence.

Before you judge, it is essential to look at your installation area, how much you can afford, frequent upkeep expenses, and the warranty period. If your living space is small, fixing an unvented system would be a more reasonable choice, but if funding is your primary consideration, a vented system is more feasible. Whichever system you install, remember that an unvented hot water system offers increased pressure, has a high warmth recovery speed, a short warm-up time, provides an adequate discharge rate, and carries no risk of frozen pipes or contamination.