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You are here: Home / Knowledge / Guidance / How to Check Hot Water Temperatures at TMVs

Thermostatic Mixing Valves (TMVs) – How to Check Hot Water Temperatures at TMVs

Testing and regularly monitoring hot water temperatures at a thermostatic mixing valves (TMVs) to ensure the hot water temperature is at least 50°C is an important legionella risk management task set out in the Health & Safety Executive’s ACOP L8 and HSG274 guidance.

Lean how to check TMV hot water temperatures in the system with this short video.

TMV temperature checks

  • Do you need a professional water temperature thermometer or probe?
  • Need expert training to correctly perform other practical ACOP L8 compliance tasks?

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Useful downloads…

  • HSE ACOP L8 – Control of Legionella
  • HSG274 Part 1 – Evaporative Cooling
  • HSG274 Part 2 – Hot & Cold
  • HSG274 Part 3 – Other Risks
  • Positive Legionella Tests – What To Do?
  • HSG282 – Spa Pools
  • Legionnaires’ – Duty Holders Guide
  • Health & Safety – Care Homes
  • Scalding Risks – Health & Social Care
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