Last Updated on January 22, 2021

Can I Use a Combi Boiler for Hot Water Only?

Zac Houghton

Zac Houghton

Construction expert and founder of Loftera.

Here in the UK, the average family of four uses somewhere between 125 and 250 litres of hot water each and every day.

That’s a serious amount of showers, but it’s actually hot baths that use the most, with the UK’s baths usually holding up to 80 litres of hot water with every wash. 

For many of us, we take that hot water for granted, but it’s actually our boilers that are doing all the work in the background, and that got us thinking about exactly how they work.

In this article, we’re answering the following question: Can I use a combi boiler for hot water only?

The quick answer is, yes you can! Most of them have the option on the actual boiler to choose exactly what they heat up.

That means you can choose to just have them heat up your water, just your heating, or the usual way of heating them both at the same time.

Can I use a combi boiler for hot water only?

Combi Boilers and Combination Boilers

You’ll have likely heard of combi boilers and combination boilers, but the truth is, they’re exactly the same thing.

Homes around the UK rely on them to heat up their water and their heating system, including radiators and towel dryers. Most of them have the option on the actual boiler to choose exactly what they heat up.

That means you can choose to just have them heat up your water, just your heating, or the usual way of heating them both at the same time.

For this reason, they have become the country’s most popular boiler, and although they can sometimes struggle to operate multiple taps at one time, they do get rid of the need for having a big water tank or cylinder in your house.

Normally, you’ll find your combi boiler in your kitchen, utility room or even if your loft. If you are new to your property, always ask where your boiler is located so that you can easily maintain it in the future.

How Does A Combi Boiler Work?

We all expect hot water to be there when we turn on our taps or radiators, which is why a combi boiler is always running, even in the standby setting.

They can be powered up using oil, gas or electricity as the heat exchange source, but here in the UK, it’s the gas combi-boiler that tends to be the most widely used.

The real benefit of the combi-boiler is that it’s made to be always waiting for a signal to send down hot water, so day or night, it never gets switched off or stops functioning.

As soon as you go to get a shower or wash your hands in the sink, the boiler will fire into action by sending the hot water down the pipes and to the place you want it.

Sometimes it can take a few seconds for the hot water to reach your tap, but this is completely normal, so don’t be worried or think your boiler has broken down.

Boiler Installation Advice

If you are looking to upgrade to a combi-boiler or are having problems with your current one, then be sure to get in touch with us here at Loftera.

We have decades of experience in the home improvements industry and can recommend the best tradespeople to do the job for you.

From giving you extra details to comparing some quotes, get in touch with us today for all the latest home improvement info.

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