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Checklist

QETTLE Checklist

Pressure Gauge

Connection to a Mains water supply.

A minimum of 1.5 bar pressure on hot and cold water is required for QETTLE Original and Signature taps. QETTLE Mini requires a minimum of 1.5 bar pressure on cold water only.

Please note if water pressure exceeds 5 bar, a pressure reducing valve must be fitted.

How do I find out?arrow

Water pressure

The water pressure of most properties is typically between 1.5 - 5 bar (it’s usually around 3). In a few cases, where water pressure is greater than 5, a pressure reducing valve must be fitted to reduce the pressure.

If you’re unsure what your water pressure is, knowing what type of plumbing system your home has will help.

 

Plumbing SystemsPlumbing Systems

1. High Pressure Systems usually generate enough water pressure for our taps.

2. Low Pressure Systems typically don’t generate enough pressure for the QETTLE Original to work perfectly (not an issue for the QETTLE Mini). The boiling water, filtered drinking water and your normal mains cold flow are unaffected but your hot water flow will be much slower than with a conventional kitchen tap. This needn’t be a problem (a lot of people who use boiling water taps don’t mind) but there are things we can do to improve your QETTLE’s performance. Give us a call on 01603 875464 if you want to discuss options.


Measuring Your Water Pressure

If you want to measure your water pressure you’ll need to measure both hot and cold for the QETTLE Original and just the cold for the QETTLE Mini. To test your mains water pressure, you’ll need a water pressure gauge. Gauges are widely available from online retailers such as Amazon and shouldn’t cost more than £10.00.

Use an outside/garden tap to test your cold water pressure. Outside taps usually have a ¾” BSP connection – so you should be able to screw the pressure gauge straight onto the outside tap. Once the gauge is attached to the tap, turn the tap on and take the pressure reading.

To measure the pressure of your hot water, you will need to turn off the hot water supply. Disconnect the hot water hose from your existing kitchen tap, then connect the pressure gauge to the mains hot water supply. Turn the water supply back on and take a pressure reading.

Pressure Gauge

A standard, 13 amp socket to plug in your QETTLE’s boiler tank.

You’ll need a double socket if you are also installing a QETTLE Chiller.

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Power Source

Power to the QETTLE’s boiler tank is supplied via a standard, 13 amp socket under the sink. The socket should be installed prior to your QETTLE being installed and is not included in the QETTLE installation.

You’ll need a double socket if you’re also installing a QETTLE Chiller.

Stop Cock

The ability to shut off the water.

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Isolate Water Supply

Water can be isolated either by isolation valves on the existing hot and cold water pipework under your kitchen sink, or by using your home’s stopcock.

Waste Connection

An under sink waste pipe already in place.

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Waste Connection

If you have a functioning kitchen sink, you’ll already have a waste connection. QETTLE’s vent assembly attaches to your sink’s waste. Find out more about what the vent does and how it should be fitted here.

Space for your Boiler

Space for your QETTLE’s boiler tank under the sink.

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Undersink requirements

A 4L QETTLE boiler tank and filter system can be accommodated by a 400mm wide (or larger) kitchen cupboard. If you are also installing a QETTLE Chiller, your cupboard should be a minimum width of 600mm and proper ventilation is essential.


There must be clearance of at least 80mm above the top of a boiler tank and/or chiller to ensure hoses and connections are not squashed.

Take care if you have a Belfast or butler sink.

ComponentDimensionsUNIT
2L Boiler 223 x 170 x 293 mm
4L Boiler 230 x 182 x 354 mm
7L Boiler 365 x 235 x 295 mm
Filter system 90 x 90 x 345 mm
Chiller 320 x 180 x 370 mm

Depth x Width x Height

Diameter

A 35mm diameter hole (this is the UK standard tap hole size) for your QETTLE tap and 10cm clearance behind your tap and the back of your sink, windowsill, upstand or splashback.

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Preparing your work surface

Your QETTLE tap will need a 35mm diameter hole, which is the UK standard tap hole size.

 

If you have chosen a QETTLE Original or QETTLE Signature, please ensure there is 10cm clearance between your tap and the back of your sink, windowsill, upstand or splashback. This is to ensure the tap’s lever handle for normal hot and cold flows of water can move freely.


If there is not 10cm clearance, please let us know. We will fit your QETTLE with a special valve that will still allow you to use the hot and cold water handle normally.

QETTLE Original clearance
 QETTLE Original / SignatureQETTLE Mini
Hole Diameter 35mm 35mm

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