Water Hygiene Disinfections


Chlorinations of domestic water services are undertaken by our own staff to the L8 and BS6700 standards. Following the chlorination certificates to the appropriate standards are issued.

Chlorine Dixoide

In cases where more powerful disinfectants are required Phase Technology has experience in continuous on-line dosing equipment or single dose applications of chlorine dioxide


Silver and Hydrogen peroxide solution is a newly introduced means of disinfection, enabling a safe and effective means of disinfection without interruption to services

Accreditations and affiliations

Legionella Control Association

Phase is a member of the LCA. The LCA was established to ensure users receive a high level of audiatable services that are in full compliance with the guidance set out in L8

Safe Contractor

Phase Technology is accredited by SafeContractor providing our clients peace of mind that the work is undertaken competently and safely

ISO Environmental

Phase Technology holds ISO 14001:2015

ISO Quality

Phase Technology has been ISO accredited since 1996 and currently holds ISO 9001:20015

Human Focus

Phase Technology is accredited at Organisation Level by Human Focus for General Health & Safety Arrangements. This certification scheme has been independently accredited by RoSPA

Cyber Essentials

Phase Technology is Cyber Essentials certified.

Other Disinfections

Online Disinfections

In the prevention and control of legionella bacteria, chlorine dioxide has taken an eminent roll. The specific characteristics of the disinfectant make sure chlorine dioxide can succeed where others fail.


Biofilm on the pipe surfaces can protect legionella from chlorine based disinfectants. Chlorine dioxide however removes the biofilm and kills the bacteria, spores and viruses.
Dosing Equipment

Phase Technology is able to provide and service a range of automatic chlorine dioxide dosing systems. The systems we use are chosen for their safety features and their generic nature. This means that are clients capital investment is not tied to Phase Technology


It is a requirement of L8 that showers are descaled and disinfected at least every 3 months. Phase Technology can provide this service. The shower descale and disinfection will include a report on the shower condition and completion of the site logbook. If clients undertake this work themselves we recommend the use of our Phasechem Descale Plus.

Phasechem Descale Plus was designed for the safe descale and disinfection of showerheads and hoses. It is supplied in liquid form in 5 litre containers, and is used by diluting with water, Phasechem Descale Plus. uses a proven potable grade biocide to kill any legionella bacteria and a liquid decalent to remove the scale. Phasechem Descale Plus is safe, quick and easy to use.