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UV Rainwater Disinfection

UV Rainwater Disinfection Unit from StormsaverThe Stormsaver UV disinfection unit is used to minimise the growth of organisms within the rainwater supply.

The UV light is very versatile and can be used for disinfecting and destroying harmful microorganisms. With UV technology it is possible to destroy more than 99.99% of all pathogens within seconds without using chemicals, and is therefore an efficient, economic and particularly environmentally friendly process. Using a special quartz glass material, UV lamps are able to generate the exact wavelengths of UV light required for disinfection. Specially designed power supplies and electronic controls operate and monitor these lamps for optimum performance.

The unit should be installed directly before the application i.e. after the header tank, pressure vessel or combi unit, and is designed to help prevent potential illness caused by water born organisms.

The unit is available in two different ranges - Altima and Proxima which come in a variety of different flow rates. Both can be mounted in pipework horizontally or vertically, as long as sufficient space is allowed for the removal of the bulb at the lamp cable end.

Range Features

Features: Range
A B
Tested and proven disinfection capacity Y Y
Electro-polished stainless steel disinfection chamber Y Y
High output low pressure UV lamp Y Y
Highly efficient electronic ballast power supply Y Y
Glow-cap lamp operation indicator Y Y
Safety lamp connector Y Y
Micro-computer control   Y
Audible alarm plus visual alarm display   Y
Lamp change reminder with 365 days counter   Y
Alarm and computer reset button   Y
Digital display /lamp life readout   Y
Volt Free BMS Contact (optional extra) *   Y
Power connection for optional automatic solenoid safety shut-off valve   Y

*BMS contact is not available on A range

Other Information

Installation must comply with the Water Supply (Water Fittings) Regulations 1999. All pipework must be clearly colour coded and marked in accordance with the WRAS : IGN No 9-02-04 & IGN No 9-02-05. See separate Stormsaver datasheet.

The Stormsaver system complies with BS EN 16941-1:2018

Filtration

Ultra Violet light is an energy-rich light that has a wavelength of 200-400 nanometres (nm).To enable the UV disinfection to work effectively it is important that the rainwater is filtered to a suitable level prior to passing through the UV unit. 

UV filtration works by changing the DNA of microorganisms and interrupting the cell division. This means the cell can no longer reproduce and therefore loses its pathogenic effect. The reason for needing a filtration level of 50 microns or less is to avoid shadowing. This is where bacteria can not hide behind large particles, and therefore not be affected by the UV light. It is recommended that a filter with a rating of 50 microns or less is used. It is however important that another filtration is carried out prior to the 50-micron filter to ensure that the filter does not get blocked regularly

Replacement Bulbs

In order to maintain the effectiveness of the UV unit, the bulb will need replacing. The bulb is designed to run constantly and has an effective life of approximately 12 months.

Replacement bulbs are available from Stormsaver and can be purchased as an individual item, or we can supply and change these as part of a maintenance package. For more details on taking out a maintenance contract please contact ask@rainmaintain.com or order online at www.rainwaterdrainage.com

See our data sheet below, which will tell you more about the product.

 

Get an idea of how much a rainwater harvesting system will cost your business or home

Quick Quote

“Stormsaver has helped us to upgrade the existing rainwater harvesting system. We desperately needed support and within one month they had attended site, carried out a survey, manufactured the new control panel, and installed and commissioned the system. Together the team at Stormsaver responded quickly, understood our requirements, and worked to ensure that we had the best solution. Their knowledge and expertise have resulted in us now having a fully functional, efficient rainwater harvesting system and we would highly recommend that other clients who need their existing rainwater system upgrading, contact Stormsaver for support.”

Facilities and SHE Manager - Further Education College

"We have been using Stormsaver systems for the last 5-6 years on all our commercial projects and it is always a pleasure to work with them, very professional, always helpful, and deliver their promises every time. Big thank you to all members of the Stormsaver team.

Excellent Job!!!"

Testimonial - Mechanical and Engineering Contractor

“What an absolute credit to our team your engineer was. I was most impressed with the way he worked and couldn’t have asked for a better or more helpful commissioning engineer. I will certainly be recommending Stormsaver to my colleagues” 

Site Manager - Dyer and Butler