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Protect against scalding and burns from hot water  

Legislation to Prevent Scalding from hot water

Anti-scalding Regulations for hot water in domestic properties

 

England - St George's Flag    Welsh flag

Please Note: For England and Wales, from 1 April 2010, revisions to Part G of the Building Regulations (Hot water supply and systems) include the requirement that baths, subject to building regulations, are fitted with a protective device (i.e. a thermostatic mixing valve) to limit the temperature of hot water. Similar regulations have been in force in Scotland since 2006.
 
 
Scottish flag  As of 1st May 2006 a new Scottish Building Regulation will require that all bath water in a domestic property must be controlled to a maximum of 48oC.
 

Hot Water Temperature from Sanitary Fittings
Where hot water is provided from storage, building regulations require a storage temperature of 60oC  and a circulating temperature of no less than 55oC to prevent the development of Legionella or similar pathogens.

Where water is supplied at high temperature from any source, there is a danger of scalding to building users. Risk of severe injury increases proportionally with the increase in temperature and with the extent of contact.
 

Fittings Used for Personal Hygiene
To prevent scalding, the temperature of hot water discharged from, or to, any bath or bidet should not exceed 48oC.

Where hot and cold water are supplied to a fitting, this may be achieved by use of a thermostatic mixing valve (TMV) or fitting. Such valves or fittings should comply with BS EN 1111 or BS EN 1287.

Guidance on the installation, use and maintenance of thermostatic mixing valves and fittings can be found in BRE information Paper IP 14/03 or from the Thermostatic Mixing Valve Association (TMVA) - www.tmva.org.uk

 

The TMV Scheme
The Scheme identifies the operational properties of thermostatic valves or fittings and awards them a classification -
  Type 1 mechanical mixing valves with maximum temperature stop (including single lever taps).
TMV2 scheme Type 2 a thermostatic mixing valve of lesser performance to D 08 which conform to EN 1111’s and 1287 (originally BS 1415 Part 2).  These can have a maximum temperature stop which is excluded by the requirements of D 08.

TMV3 scheme

 Type 3 a thermostatic mixing valve with enhanced thermal performance complying with NHS Estates requirements.

TMV 2 - These are certified Type 2 thermostatic mixing valves for the domestic market that meet the requirements of BS EN 1111 and/or BS EN 1287 as well as additional requirements of the BuildCert TMV2 Scheme. TMV2 Scheme is working with the Child Accident Prevention Trust to promote the safe use of hot water in domestic premises.

 

Further information and reading on scald and burn protection

 

Visit our section on Thermostatic Valves to choose your safety device

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