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Trojan Granada Bath 8mm Thick Acrylic With Grips 1675mm, SALE PRICE 5ft 6
Plastic taps are very cheap and very low quality. They are very light and are offered in a variety of colours. Plastic taps cannot be recommended for bathroom use because of their poor performance and short expected operational life.
Standard Brass ABS/Mazac
Standard brass is regularly used to manufacture the bodies of mid-priced, medium quality taps.
Many tap components (such as handles) can be made from ABS (plastic) or an alternative material sometimes referred to as Mazac (Pot Metal). These are cheaper than using brass, and whilst the quality is regularly very good, brass offers a better finish and lasts longer.
Standard brass taps are suitable for bathroom use, with or without ABS or Mazac components.
DZR Brass
Whilst, standard brass has gained complete acceptance in many facets of the water distribution industry, in certain circumstances when exposed to particular combinations of pH and concentrations of chlorides, they can experience a serious form of corrosion known as dezincification.
The answer to this is a dezincification resistant alloy, normally referred to as DZR brass.
This is the Rolls Royce material for taps and the highest quality product will be made from DZR brass without any ABS or Mazac components
Question 2: Will the taps work with your system pressure ?
First the good news, if you have a combi-boiler or un-vented hot water system then you dont need to fret about pressure, both high pressure and low pressure taps will work well with your system.
However, if you have a traditional gravity fed system, with a cold water storage tank in the attic, and a hot water cylinder then you will want to be more cautious.
Firstly you want to work out how much water pressure you have:
Calculate the distance, in meters, from the bottom of the cold water storage tank, to the outlet of the tap and multiply by 0.1 to give you the pressure in bar: