Choosing a kitchen tap is about more than finding a style you like. If your home has low water pressure, you also need to make sure your chosen tap is designed to work with the pressure available in your plumbing system. The right low pressure tap can provide a much better flow than a model designed for higher pressure. In this guide, we'll explain how to identify a low pressure system, what pressure your tap may need, and what to check before choosing a kitchen tap.

What Is a Low Pressure Tap?

A low pressure tap is designed to operate effectively when the water pressure in your home is relatively low. This is particularly relevant in homes with gravity-fed plumbing systems, where water pressure can depend on the height of the cold water storage tank above the tap.

Not every kitchen tap is suitable for low-pressure systems. A tap that requires a higher minimum pressure may produce a weak flow or may not perform as expected when connected to a lower pressure supply.

This is why checking the minimum water pressure in the tap's technical specifications is an important part of choosing the right model.

Do I Need a Low Pressure Kitchen Tap?

If your home has low water pressure, choosing a tap specifically designed for lower-pressure systems can help you get the best performance from your existing water supply.

You may need to consider a low pressure tap if you have:

• A gravity-fed hot water system
• A cold water storage tank in the loft
• A hot water cylinder
• Noticeably weak water flow from your existing taps
• A plumbing system with a lower operating pressure

However, don't assume that every bathroom or kitchen tap labelled as suitable for low pressure will work with every system. Minimum pressure requirements vary between models. For example, current Taps.co.uk products include low-pressure kitchen taps with minimum operating pressures of 0.3 bar, while other products may have different requirements.

Always check your home's water pressure against the tap's minimum pressure requirement before buying.

How Do I Know If I Have a Low Pressure Water System?

One of the easiest ways to identify a low pressure system is to look at how your hot water is supplied.

Traditional gravity-fed systems often use a cold-water storage tank, commonly located in the loft, together with a hot-water cylinder. In these systems, the pressure available at a tap depends on the height difference between the water level in the storage tank and the tap.

If you're unsure what type of system you have, check your boiler and hot water setup or speak to a qualified plumber.

It's also worth remembering that low flow and low pressure aren't always the same thing. A weak flow from one tap could have another cause, such as a blocked aerator, a partially closed valve or an issue with the plumbing.

What Water Pressure Do Kitchen Taps Need?

There isn't one minimum pressure that applies to every kitchen tap. Each tap has its own technical specification, so the important figure to look for is its minimum operating pressure. Some taps are designed to operate at relatively low pressures, while others require higher pressures to deliver their intended flow.

For example, the Franke Olympus kitchen tap is listed with a minimum pressure of 0.3 bar and is suitable for low-pressure systems. The Franke Davos J has the same 0.3 bar minimum and is also specified as suitable for low pressure. Remember to compare each tap's pressure requirement with your actual system when purchasing.

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Can You Use a Normal Mixer Tap With Low Water Pressure?

You can, but only if the tap's minimum pressure requirement is suitable for your system.

A kitchen mixer tap combines hot and cold water through one fitting, but mixer taps are available with different pressure requirements. Some are suitable for lower-pressure systems, while others are intended for higher-pressure supplies.

For example, the Austen & Co. Bilbao chrome kitchen mixer tap is specified as suitable for low pressure gravity and pressurised systems, with a minimum pressure of 0.3 bar.

So, having low water pressure doesn't mean you have to compromise on your mixer tap choice. You simply need to check the specifications before buying.

Do Low Pressure Taps Improve Water Flow?

A low pressure tap doesn't create additional water pressure. Instead, it is designed to work with the pressure already available in your plumbing system. Choosing a tap with a suitable minimum pressure requirement can help it deliver a more effective flow than a model that requires significantly higher pressure.

If your water pressure is extremely low, changing the tap alone may not solve the problem. In that situation, it is worth checking the wider plumbing system to identify the cause of the low flow.

Are Pull-Out Taps Suitable for Low Pressure Systems?

Yes, some pull-out kitchen taps are designed for use with low pressure systems.

This means you don't necessarily have to choose between functionality and compatibility. If you like the flexibility of a pull-out spray for rinsing dishes, cleaning the sink or directing water around the bowl, there are low pressure compatible options available.

The important thing is to check the individual product specifications rather than assuming every pull-out tap will work with a low pressure system.

The same applies to other styles, including swivel-spout, traditional, and modern kitchen mixer taps. Taps.co.uk's current low pressure range includes a mix of these designs, giving you more choice when matching your tap to your kitchen.

How to Choose a Low Pressure Kitchen Tap

Once you know your water pressure, choosing the right tap becomes much easier.

1. Check Your Water Pressure

Find out the approximate pressure available at the tap you are replacing. If you're unsure, a plumber can help you establish what your system is capable of.

2. Check the Tap's Minimum Pressure

Review the product's technical specifications and compare the minimum operating pressure to your system.

3. Consider the Tap Style

Low pressure doesn't mean you are limited to one particular design. Depending on the model, you can choose from contemporary mixers, traditional bridge taps, swivel spouts and pull-out designs.

4. Think About How You Use Your Sink

If you regularly wash large pans or rinse around the kitchen sink, a swivel or pull-out spout may be useful. If appearance is your priority, traditional and contemporary low pressure mixer taps offer plenty of choice.

5. Check the Installation Requirements

Before ordering, check the tap hole size, sink connection requirements and any other installation specifications. This can help avoid surprises when you're ready to fit your new tap.

What If My Kitchen Tap Has Low Water Flow?

If your existing kitchen tap suddenly has a weak flow, replacing it may not always be the answer.

Start by checking simple potential causes:

• Is the isolation valve fully open?
• Is the tap aerator blocked?
• Has limescale or debris restricted the outlet?
• Is the reduced flow affecting just one tap or the whole property?
• Has there been a recent change to your water supply?

If other taps are also experiencing low flow, the issue may be with the wider plumbing or water supply rather than the tap itself.

If you're replacing an old tap because your home consistently has low pressure, choosing a tap with an appropriate minimum pressure rating is a sensible place to start.

Low Pressure Taps Without Compromising on Style

Low water pressure doesn't mean you have to settle for a basic kitchen tap.

Taps.co.uk's low pressure collection includes modern and traditional designs from brands such as Franke, Austen & Co., Abode and Blanco, with options including mixer taps, swivel spouts and pull-out designs.

For a contemporary kitchen, a sleek mixer can provide a simple, streamlined look, while a bridge or twin-lever design can complement a more traditional space.

The key is to choose the right specification first, then find a style that works with your kitchen.

What Should I Check Before Buying a Low Pressure Tap?

Before choosing your new tap, it's worth checking:

• Your water pressure – know what your system can provide.
• Minimum operating pressure – make sure the tap is compatible.
• Hot and cold supply – check that the tap suits your plumbing system.
• Tap hole requirements – confirm that it will fit your sink or worktop.
• Spout design – consider whether you need a swivel or pull-out function.
• Installation requirements – check the manufacturer's fitting information.
• Product specifications – don't rely on the term "low pressure" alone.

Taking a few minutes to check these details can help you avoid choosing a tap that looks right but isn't suited to your home's water system.

FAQ’s

1. What is the best tap for a low pressure system?

There isn't one best tap for every low pressure system. The right choice depends on your available water pressure, plumbing setup and the tap's minimum operating pressure.

2. Can I use a mixer tap with low water pressure?

Yes. Some mixer taps are specifically designed to work with lower pressure systems. Always check the individual tap's minimum pressure requirement before buying.

3. What is the minimum water pressure for a kitchen tap?

It varies between products. Some kitchen taps are designed to operate from around 0.3 bar, while others require more. Always check the manufacturer's specification for the exact tap you're considering.

4. Do low pressure taps increase water pressure?

No. A low pressure tap is designed to work with the pressure available in your system; it does not increase the pressure itself.

5. Are low pressure taps only suitable for old houses?

No. Low water pressure can occur in different types of properties and plumbing systems. The important factor is the pressure available at the tap, rather than simply the property's age.

6. Can I get a modern kitchen tap for a low pressure system?

Yes. Low pressure compatible taps are available in modern, traditional and functional designs, including mixer and pull-out options.