Plumbing and Heating Magazine Issue95

PRODUCT REVIEW

TMVs reduce the risk of scalding.

CHRIS REILLY, ALTECNIC’S COUNTRY MANAGER (IRELAND), CLARIFIES WHAT TMV TYPE AND CLASSIFICATION IS BEST TO MEET BUILDING REGULATIONS...

A fittingTMV for your commercial bathroom

C hoosing the right components is a crucial element of any commercial washroom project. Whether it’s a hotel, gym, or other public spaces, your decision will undoubtedly impact on the overall user experience.. A balance between hygiene, comfort, aesthetics and budget needs to be found. However, a component sometimes overlooked - but is essential to user safety and comfort - is the Thermostatic Mixing Valve (TMV). Consideration must be given to what type and classification of TMV is used for the application in question. TMVs are used to blend hot and cold water and to maintain this at a set constant outlet temperature. This ensures safe and comfortable hand washing, shower and bath temperatures

and significantly reduces the risk of scalding. There are two classifications of TMV that could be used in a commercial washroom setting, each used for applications with differing regulations: TMV2 and TMV3. TMV2 valves are designed and tested to be used in domestic environments in order to reduce the risk of scalding at home and in other domestic type settings. In 2010, the TMV2 scheme became part of the British building regulations to control the temperature of hot water to a safe maximum in domestic bathrooms, specifically for baths and bidets. The regulations apply to all new build domestic properties in the UK, along with homes where bathroom renovations are being

undertaken involving any movement or replacement of bath, bidet or shower outlets. TMV2-designated thermostatic mixing valves are compliant with BS EN 1111 (high pressure) and/or BS EN 1287:1999 (low pressure). The UK Building Regulations Part G states that mixing valves must be compliant with BS EN 1111 and/or BS EN 1287:1999 to reduce the risk of scalding. NSF International delivers TMV2 testing and certification against the updated performance standards BS EN 1111:2017 and BS EN 1287:2017. Altecnic recommends: The WRAS approved Mixcal III TMV adheres to all the necessary requirements outlined by the TMV2

“TMVs are used to blend hot and cold water and to maintain this at a set constant outlet temperature.”

24 | PLUMBING & HEATING MAGAZINE

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