.
Canada
USA
China
True
False
20
11
25
45
8
Reverse Osmosis
Micro Filtration
5 Micron Filter
Ultra Violet (UV)
True
False
True
False
True
False
True
False
Give a slight chlorine taste
The water has a metallic taste
It does not change the taste of water as UV adds no chemicals
The water colour changes slightly
True
False
Remove chlorine taste
Remove viruses
Remove particles and dirt that is less than 5 microns in size
Remove particles and dirt that is more than 5 microns in size
Removes organics such as chlorine
Removes carbon from the water
Adds activated carbon to give water a better taste
Nothing
True
False
Has an audible alarm to notify you the lamp is not working
Has a visual countdown and count-up monitor showing lifetime of lamp
The system automatically shuts down if there is a problem
The system shuts off the water if there is a lamp problem
About the same as 20W light bulb (around 2c/hour) (R15 per month)
The same as a kettle
About the same as a geyer - around 2000W/hour
True
False
3 phase 320V
3 phase 220v
Standard 220V residential supply
12V system - you need a step down transformer to convert from 220V to 12V
9000 hours
365 Days
19 000hours
180 days
It gradually loses its effectiveness but will still work after the recommeded replacement time but not at the most effective level to guarantee effectiveness in treatment
It suddenly loses its effectiveness and if not replaced on time will not work at all
6bar
11bar
8bar
The inlet is too small
The UV dosing may be less effective as water will flow faster through the chamber than designed for at excessive water pressure and so water may not receive a sufficient UV dose.
There could be a risk of mechanical failure of a connection fitting or filter housing at higher than recommended pressures
The 5 micron filter is not designed to operate at pressures higher than 5bar
True
False
It depends on the water quality and water source
Every 9000 hours
Every 3 months
TrojanUV
WaterPure RO
UVMax
Sterilight
It is used at a point of use - say in a kitchen
It has a high flow rate up to 50l min to suppply the whole house
Before installation the user must buy a special tap and piping which is not supplied with the unit
The installation is easy enough fro a DIY installation and the product has all items needed for setting up
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