Unvented Cylinder Service

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Unvented Cylinder Servicing

Keep your unvented hot water cylinder operating safely and efficiently with a full annual service. This is a requirement for maintaining manufacturer warranty and ensuring compliance with G3 Building Regulations.

Pricing and information:

Unvented Cylinder Servicing

From £90

Service inclues:

  • Inspection of pressure-reducing valve and expansion vessel

  • Check and test of temperature and pressure relief valves (T&P)

  • Discharge pipework inspection and flow check

  • Check of pressure gauge and vessel air charge

  • Visual inspection of cylinder condition and pipework

  • Operation check of immersion heater (if present)

  • Issuing of service record (digital or paper)

A service typically takes 45–60 minutes. Access to the cylinder and isolation valves is required.

Why Annual Servicing Matters:

  • Maintains compliance with G3 Building Regulations
  • Prevents risk of overheating and discharge issues
  • Helps extend the life of your system
  • Keeps your manufacturer warranty valid