Vented Vs Unvented Cylinders
Vented Vs Unvented Cylinders From shower to laundry to washing dishes, hot water plays an indispensable role in our day-to-day tasks, and so is the hot water cylinder which supplies them. There are multiple types of water heating systems that are available. But choosing from vented and unvented can be confusing, especially for those who want to replace or buy a new one.
Though the main function of both is to supply hot water, they have different functionalities and processes. Let’s analyse vented vs unvented cylinders in detail.
What is a Vented Cylinder?
Boilers use both copper and stainless steel. But vented boilers mostly use copper as the main base since it has 20 times high thermal conductivity than steel, which improves their efficiency further. Vented hot water cylinders, or storage units, often have to supply water from a cold water cistern tank usually placed in the loft. Hence the water flows down with the help of a pipe to the bottom of the hot vented cylinder. The presence of the vent pipe and tank in the loft provides an escape route for the excess water, and it comes back through the same route. It also dissipates any form of air during the process. Due to its conventional properties and efficiency, vented cylinders are widely used in water heating systems.
What is an Unvented Cylinder?
Unvented cylinders are opposite to vented cylinders and directly connected to the mains. Thus there is no need for a cold water tank in the loft. Unvented cylinders are installed adjacent to the boiler system. Unvented often have inbuilt features such as expansion units usually placed at the top of the system to deal with the vent pipe. Homeowners generally have a boiler to heat the water indirectly but also use an immersion heater to heat the water in case of breakdowns.
Vented Cylinder VS Unvented Cylinder (Pros & Cons)
Pros of Vented Cylinder:
• The vented cylinder is much simple to install
• It is an affordable option for cheaper water heating solutions
• Pretty easy and straightforward to maintain
• In case the main water supply is cut off, it still has access to a tank of water in the loft
Cons of Vented Cylinder:
• It is often dependent on an external water tank in the loft
• Uses gravitational pull of water to meet pressure requirements and to maintain the flow to outlets
Pros of Unvented Cylinder:
• No need for any water tank, therefore it requires less space
• It gives you better flexibility in terms of the installation process
• Provides stronger water pressure
• The tank of water may freeze in winter or might get contaminated, so unvented cylinders proves to be the best option
Cons of Unvented Cylinder:
• Installation is slightly on the expensive side as it requires a G3 specialist
• Ensure it is maintained regularly to meet regulatory standards
Choosing the Right Hot Water Cylinder for my Boiler
Deciding which one is a better option for you eventually boils down to your budget, requirements, space and maintenance. For someone with a limited budget, it is a good idea to buy a vented cylinder. They are a lot easier to maintain. Less complexities. Installation is a lot simpler and easier. The overall process will cost you a lot less. There is a wide range of options to choose from, and some come with an extended warranty.
If space, money and maintenance is not a constraint, then an unvented system is a better option for you. There are horizontal and slimline options available, and thus it can be installed pretty much anywhere within the property, be it lofts or tight airing places. It takes care of everything by providing mains pressure and optimal performance throughout the property. Some systems come with a warranty as long as 25 years, so you can enjoy your peace of mind while choosing something that meets all your requirements.
No matter which cylinder choice you decide to make, The Boiler Installation Specialists offers a wide range of finance options. You can buy the vented or unvented cylinder without worrying about the initial installation expenses. And in case you are unsure about any aspects of home boiler systems or need new boiler installation, our experts are here to make the process easier for you. Give us a call to discuss your requirements.
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