Shower Mixer 2018 – Consumer’s Guide To Bathroom Taps

This text explains the important thing questions that you must think about when buying new faucets to your bathroom. The knowledge is geared toward customers in the UK.

Query 1: Whats the faucet product of ?

Faucets might be created from a spread of supplies of various high quality and price.

A normal rule of thumb is that the heavier the faucet the higher the standard of supplies used!


Plastic faucets are very low cost and really low high quality. They're very gentle and are supplied in quite a lot of colors. Plastic faucets can't be beneficial for bathroom use due to their poor efficiency and brief anticipated operational life.

Commonplace Brass ABS/Mazac

Commonplace brass is frequently used to fabricate the our bodies of mid-priced, medium high quality faucets.

Many faucet elements (akin to handles) might be created from ABS (plastic) or an alternate materials generally known as Mazac (Pot Steel). These are cheaper than utilizing brass, and while the standard is frequently superb, brass provides a greater end and lasts longer.

Commonplace brass faucets are appropriate for bathroom use, with or with out ABS or Mazac elements.

DZR Brass

While, customary brass has gained full acceptance in lots of aspects of the water distribution trade, in sure circumstances when uncovered to explicit mixtures of pH and concentrations of chlorides, they will expertise a critical type of corrosion referred to as dezincification.

The reply to this can be a dezincification resistant alloy, usually known as DZR brass.

That is the Rolls Royce materials for faucets and the very best high quality product will likely be created from DZR brass with none ABS or Mazac elements

Query 2: Will the faucets work along with your system strain ?

First the excellent news, you probably have a combi-boiler or un-vented scorching water system then you definitely dont want to worry about strain, each excessive strain and low strain faucets will work effectively along with your system.

Nonetheless, you probably have a conventional gravity fed system, with a chilly water storage tank within the attic, and a scorching water cylinder then it would be best to be extra cautious.

Firstly you need to work out how a lot water strain you could have:

Calculate the space, in meters, from the underside of the chilly water storage tank, to the outlet of the faucet and multiply by zero.1 to provide the strain in bar:

e.g. 1.1 Meters x zero.1 = zero.11 bar

2.5 Meters x zero.1 = zero.25 bar

If you'd like a bath/shower mixer with a showering handset, then you have to decide the space from the foot of the chilly water storage tank to the peak at which the handset will likely be used, not the peak of the faucet, or the handset when it rests within the help.

You additionally must be conscious that elongated pipe work runs quickly expend any strain inside a system, so in case your faucets are a great distance from the chilly storage tank then it would be best to reduce the calculated strain to take account of this.

After you have a good suggestion of your water strain then you might want to confirm that no matter faucets you need to purchase will work at that strain.

As a rule of thumb many designer faucets come from Europe the place the water methods have superior strain than within the UK and these faucets wont work you probably have very low strain.

Designer faucets made particularly to work on low strain methods are usually costlier and the retailer will spotlight the truth that the faucets are appropriate for low strain methods. If it would not say particularly that the faucets will work with low strain then assume the worst and do not buy with out asking the retailer to confirm the strain necessities.

Query three: What's the working mechanism of the faucet ?

Ceramic disc and spindle seek advice from the 2 different ways in which the inside mechanism of a faucet can function.

Ceramic disc expertise is normally used on extra expensive faucets, as they operate higher and last more. When the lever is turned, two ceramic discs are parted opening the valve and permitting the water to pour.

The standard spindle design is often used on inferior high quality, cheaper faucet designs. The faucet has a spindle by means of the core, with the valve seat hooked up through a screw thread. An ordinary faucet washer is mounted to the tip of the valve seat. Because the knob is turned the spindle rotates and the screw thread strikes the valve seat up and down to regulate the move of water

Ceramic Disc Faucets


Drip free by no means change one other faucet washer once more !

Lengthy Life ought to by no means must be changed below common use

Easy to Function solely 1 / 4 flip is required to go from full on to off

Number of types works with trendy lever designs and spherical handles

Draw Backs

Inferior move charges - Unsuitable for very low strain methods

Spindle Faucets


Superior move charges appropriate for many methods, excessive or low strain

Draw Backs

Onerous to function - deal with must be turned many instances from off to full on

Larger upkeep - washers will want changing usually

Much less selection of fashion - can't be used with trendy lever designs

There are two key issues to contemplate.

1. Until you could have a really low strain system or are in search of the bottom possible value then it's best to go for ceramic disc faucets.

2. When evaluating faucet costs at all times be sure that each faucets use the identical mechanism. They could look the identical, but when one is ceramic disc and one makes use of a spindle then the most affordable faucet may very well be the worst worth!

Query four: How will the faucets connect with your system?

Mono Basin & Bidet mixers are hooked up to the water provide by connectors, generally referred to faucet tails. These are available two varieties, versatile and inflexible and the purchaser usually would not get any choice inside a spread of faucets.

Each varieties be part of on to regular 15mm copper pipe work.The faucet producer normally decides what kind of connectors every vary of faucet he makes could have.

Which sort is most fitted for you will depend on the place the faucets are being put in and who's doing the set up.

Versatile Connectors

Finest for DIY Installers: You dont require any plumbing abilities, the bendable hose will merely trasnsform into no matter form is critical and the connection is made simply by tightening the compression nut with a wrench.

Finest for small areas with troublesome entry. The versatile hose permits connections in locations that may be virtually unattainable to get into with inflexible pipe work.

Inflexible Connectors

Finest for skilled installers: The inflexible connectors grow to be a part of the sturdy copper pipe run that connects the provision to the faucet. The connections are made with capillary fittings, lead free solder and a blow torch. The tip product appears to be like neater, lasts longer and is way much less susceptible to leaks.

Finest for extra open areas with easy entry. Even essentially the most skilled installer will need a big sufficient house to bend and match the copper pipe run from the provision. If the house is just too compact then versatile connectors could be the solely viable choice.

Query 5: Does the Faucet meet the required Bylaws and/or Requirements ?

British Requirements

The very first thing that confuses many individuals is that British Requirements for faucets should not high quality ensures. They simply state sure issues faucet assembly with the usual ought to do. There's additionally no requirement that any product is examined by a 3rd occasion to confirm it truly meets the usual, so an assertion product meets BS5412 is just as dependable because the enterprise making the declare !

The British Requirements signify the minimal faucet ought to meet to carry out a selected utility.

The important thing British Requirements utilized to faucets are:


The specification for low-resistance single faucets and mixture faucet assemblies.


The Specification for draw-off faucets and stop-valves for water providers

There isn't any British Commonplace in any respect for Ceramic Disc faucets. So the actual fact that anyone quotes that the faucet complies with BS5412 or BS1010 lets you already know that it's an inferior design spindle faucet!

Water Bylaws

All merchandise hooked up to the UK ingesting water provide should be compliant to the UK Water Bylaws. There are unbiased testing and certification schemes in place to determine conformity, nevertheless these should not necessary within the UK.

The expense of out of doors certification is excessive and plenty of prime model faucet producers resolve to not pay for certification. Any faucets which have KIWA or WRAS approval have been examined for compliance and needs to be of a great high quality, however all faucets put in within the UK, should by legislation adjust to the Water Bylaws.