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Upgrade nowThermostatic Mixing Valves (TMVs)
Read through the material below, then test your understanding.
Module Lessons
Hot Water
Hot Water Legislation and Standards
System Selection Factors
Open Vented Hot Water Systems
Hot Water Storage Cylinders
Combination and Quick Recovery Cylinders
Unvented Hot Water Systems
Localised Hot Water Systems
Hot Water Safety Controls
Discharge Pipework (D1/D2)
Decommissioning Hot Water Systems
Thermostatic Mixing Valves (TMVs)
Installing Shower Mixing Valves
Replacing Hot Water Components
Expansion of Hot Water Pipework
Testing and Inspecting Hot Water Systems
Hot Water System Fault Finding
Maintenance and Component Replacement
Lesson Overview
Thermostatic mixing valves blend hot and cold water supplies to deliver water at safe temperatures to terminal fittings. They prevent scalding while allowing hot water to be stored at high temperatures to kill harmful bacteria.
Learning Objectives
Explain the vital safety role of thermostatic mixing valves in preventing scalding and managing bacteria risks
Identify the differences between TMV2 and TMV3 approval schemes and their maximum temperature settings
Describe the internal operating principles, fail-safe functions, and pipework installation requirements for TMVs
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