Instant Water Heaters

Whether you need to supplement your existing hot water supply or have a higher capacity for boiling water, an instant water heater is the perfect solution.

Units like an inline water heater heat the water that is coming through your taps, so in rooms that are the furthest away from the boiler you’re no longer waiting for an age for the taps to go hot.

Wall mounted or freestanding boiling water heaters give you instant boiling water, perfect for situations where you need a lot of boiling water – for example in a canteen.

To learn more about different types of water heaters, check out our Water Heaters Buying Guide.

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What is a Water Boiler?

Water boilers are essentially like big kettles. There is a heating element within them that heats your water to boiling. This water is then stored in an insulated container, ready to use whenever you need it.

 

Which Water Boiler to Choose?

When shopping for water heaters that plumb into your existing mains supply, you have to choose between a vented and unvented system. It is important that you consider these 2 options to decide which would be best for your home and your needs.

Unvented Water Boiler

An unvented system doesn’t draw cold water into a separate holding tank, it takes up less room. They can also be quicker and more simple to install. They also tend to have better water pressure as they have the same pressure as your mains supply.

Vented Water Boiler

Vented water heaters provide instant hot water by drawing cold water from your supply and storing it in the holding chamber. Then, when you need it, it is moved from the holding chamber, over a heated element to deliver instant hot water. While this is happening, more cold water is drawn into the holding chamber for the process to repeat.