Domestic Hot Water Temperature Regulations Uk
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If you were to run a bath at that temperature without adding any cold water it would only take seconds to get a serious deep tissue burn.
Domestic hot water temperature regulations uk. Where hot water is provided from storage building regulations require a storage temperature of 60 c and a circulating temperature of no less than 55 c 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. The water supply to the tmv should be at least 50 c within one minute of running the water. Before assessing the risks.
That still does not address the maximum storage temperature in the hot water tank. Building regulation for england addressing hot water safety and efficiency of water in buildings. For combined heating hot water and domestic hot water systems when the heating hot water system exceeds 140 f the ipc code requires a temperature actuated mixing valve conforming to asse 1017 to limit the domestic hot water temperature to a maximum of 140 f. Hot water should be stored at least at 60 c and distributed so that it reaches a temperature of 50 c 55 c in healthcare premises within one minute at the outlets.
The objectives of any control system are to store water at above 60ºc distribute water at 55 60ºc yet deliver water at discharge temperatures between 35 46ºc. The building regulations 2010 g1 cold water supply g2 water efficiency g3 hot water supply and systems g4 sanitary conveniences and washing facilities g5 bathrooms g6 food preparation areas water efficiency calculator for new dwellings approved document g sanitation hot water safety and water efficiency for use in england 2015 edition. Scalding injuries are preventable in the home hot water will also be stored at around 60 o c the temperature at the tap is normally around 55 o c. The water temperature should be at least 50 c within one minute of running the water.
Published 3 march 2010 last updated 9 march 2016 see all updates. Inhaling water vapour contaminated with legionellosis bacteria causes pneumonia like symptoms that can kill you if left untreated.