How To Install A Hot Water Tap Outside

  • Learn how to install an exterior hot water tap.
  • Find out how easy it is to install a tap on your property.

Installing a water tap outside doesn’t seem too difficult if you don’t care much about the water being freezing cold all the time.

Is it easy to install a tap outdoors?

First thing’s first, we’ll answer this buzzing question for you. Yes, installing a tap outdoors is certainly one of the easier tasks that you could give yourself as a homeowner, but it does still require some skill and careful planning.

As always, if you feel that you aren’t quite sure about your new project, it’s best to call in a professional. We don’t want any leaks, damage, or flooded ground floors while you’re installing your new garden tap.

Why install a hot water tap outside?

Besides quick access to warm water, here are a few common reasons that people enjoy having a hot top on the exterior of their home:

  1. Filling pools during the summer months.
  2. Washing cars.
  3. Cleaning up after animals and children.
  4. Washing your hands more effectively.
  5. Giving your dog a warm bath.
  6. Outdoor showers.
  7. Window cleaning.
installing a watertap
An outdoor tap running water at full blast.

Step-by-step guide

In this section, you’ll be able to explore our step-by-step guide on how to install an exterior hot water tap. We’ve found that the simplest way to achieve hot running water outside is to have a faucet that can run both hot and cold water through temperature control – like an indoor mixer tap.

Step one

Turn the water off at the water main in your home. You will find this under the kitchen sink, though it may also be inside a ground floor airing cupboard for underneath the floorboards near the front door of your home. Most commonly, though, you should find the stop tap under the sink.

The valve to turn off the water shouldn’t be hard to move, though it may be stiff if it hasn’t been turned on and off in some time. Turn the valve clockwise to “close” it. This will prevent water from passing through that area of your home’s pipes; effectively cutting off your water supply.

Step two

Depending on where you want your new tap, this next part might be a bit of a hassle. Let’s assume that you’re putting your new tap in on the exterior wall that is right by your kitchen sink.

Measure up your faucet and drill the appropriate hole for the taps into your exterior wall, ensuring that the hole pushes through to the area under your sink inside your home.

Step three

Loosen and remove the stem unit(s) on the new garden tap so that nothing gets damaged while you’re installing it. Once you’ve done this, you can solder on any extension pieces needed to help the tap reach into the interior of the house.

Step four

Use a thick coat of silicone on the back of the tap to fix it to the house. Silicone will provide a water-tight seal in most cases.

Fit the tap and secure it in place with screws.

Step five

Go back inside the house, it’s time to connect up the water line to the new garden tap.

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To access your water pipes and connect your new tap, you should use a compact cutter to cut into the pipe so that you can re-rig your water pipe system with new parts.

If you’re using a mixer tap, you’ll have drilled two holes for the extension pieces to go through. You’ll be able to connect these pieces with your mainline water pipes using other small pipe pieces and some solder. Don’t forget to include a shut-off valve for each one!

If you just want hot water, you could use a simple tap and hook that up to your hot water line. Again, include a shut-off valve.

installing outdoor water tap
Someone washing their hands using an outdoor tap.

Step six

Turn the water back on, go outside and try out your new tap!

A word of caution: If you live in an area where the water pipes are known to freeze during the year, you should install a frost-free outdoor tap and take precautions to stop your water pipes from bursting during colder weather.

There are plenty of videos available that will give you a visual aid to this kind of project, but don’t try to do something you aren’t comfortable with. A plumber should be able to install an outdoor tap without thinking much about it!

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