You may have seen some funky looking instant hot water taps from the likes of Quooker & Insinkerator and wondered why they are so expensive. Well, these aren’t just any kind of tap, these taps can give you constant hot water without ever having to boil a kettle again and some taps can even give you filtered cold water in seconds, and, all from just the one tap!

The hot water when it comes out of the instant hot water tap is 100°C (boiling point), so it’s just perfect for:

  • Making tea and coffee
  • Boiling eggs on the hob
  • Making gravy
  • Sterilising baby bottles and dummies

How do these instant hot water taps work?

The example below will show an Insinkerator unit that has a hot water tap and filtered cold water tap in one unit. This will cover the 2 main functions that these taps provide.

Inside the unit that holds the sink, the insinkerator hot water tank and cold water filter all plumb into your existing pipe work and they are powered by one standard plug. All the new flexible water tubes carrying your boiling hot water and filtered cold water are sent back up the main tap through the small hole created for the tap.

Insinkerator cold & hot units - Instant hot water taps

As you can see from the picture below, the instant hot water tap that sits on your worktop looks just like a normal tap and they come in different styles so it can blend in with your current traditional hot and cold taps.

Insinkerator instant hot water taps

Who makes instant hot water taps?

When looking for an instant hot water tap, the three brands below are the ones to look out for.

Instant hot water taps can be as cheap as £200 right up to £800 and beyond, so have a little shop around before you buy one and ensure you get all the features that you need from your new tap.


Not quite decided if an Instant Hot Water tap is for you? Here are 5 key benefits that may sway you.

  • You’ll never have to buy another colour coordinated kettle
  • You’ll save about 15mins+ each day waiting for a kettle to boil
  • You can make your partner a cuppa in less than a minute!
  • You’ll never run out of hot water when washing the pots
  • You’ll have more work surface for an even bigger toaster:-)

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8 thoughts on “Instant hot water taps”
  • Nathalie Mannion says:

    Can I have standard height wall units placed above an instant hot water tap?

    March 8, 2021 at 2:07 pm
    • DIY Kitchens says:

      Hi, the gap from a worktop to the bottom of a wall unit is around 490mm. Most hot water taps are a lot smaller than that and should fit in and be easily accessible.

      March 8, 2021 at 2:19 pm
  • Lara Boyle says:

    Can you have a hot tap with a butler sink?

    February 13, 2021 at 10:25 am
    • Diy Kitchens says:

      Hi, the hot water taps just need somewhere to fix into, like a worktop. As long as the head of the tap bends over and reaches into the sink, then you’ll be able to use the tap just fine.

      February 15, 2021 at 8:47 am
  • Hayley says:

    A sink/pan draw combination? Is that even a thing? If so how does it work? That would be great to incorporate in to our kitchen design an we have a real lack of space.

    October 28, 2019 at 8:10 pm
    • Diy Kitchens says:

      Hi Hayley, the drawers inside are a U shape to allow space for the sink waste etc. If you have the main water supply under your sink as well, then you may struggle with this unit, as there may not be enough room. It would be be best to check with your kitchen fitter first, before ordering this unit. An example image of this unit with the u shaped drawer is here

      October 29, 2019 at 1:29 pm
  • John Wong says:

    We are considering installing a Quooker as part of our kitchen.
    Are all of your sink units compatible and do you retain usage of the pan drawers?
    The unit we are looking at is the SBP2D0-9 – 900MM PULL – OUT SINK PAN DRAWER UNIT WITH 2 X 355MM PAN DRAWERS.

    July 17, 2017 at 4:45 pm
    • Diy Kitchens says:

      Hi, boiler taps require tanks and systems under the counter and these would not be compatible with the sink pan drawer configuration due to the lack of space. You would have to use a standard base unit.

      July 18, 2017 at 10:30 am
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