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You are here: Home / Knowledge / Guidance / How to Check Calorifier Flow & Return Water Temperatures

How to Check Calorifier Flow & Return Water Temperatures

Testing and regularly monitoring calorifier hot water flow and return temperatures via the hot water pipes to ensure the water temperature is at least 60°C is an important legionella risk management task set out in the Health & Safety Executive’s ACOP L8 and HSG274 guidance.

Find out how to measure the temperature of hot water pipes that service calorifiers (water heaters) with this short video.

Checking calorifier flow and return temperatures

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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
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  • Scalding Risks – Health & Social Care
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