Unvented Cylinder Service
What you Need to Know
An unvented hot water cylinder (e.g., Megaflo) requires annual servicing to ensure it operates safely and efficiently. These cylinders store and distribute hot water at mains pressure, making regular maintenance crucial for safety and performance.
Why Is Unvented Cylinder Servicing Important?
✅ Safety – Prevents pressure buildup and checks for faults in safety valves.
✅ Efficiency – Ensures optimal performance and reduces energy consumption.
✅ Legal Compliance – Landlords must maintain hot water systems for tenant safety.
✅ Prevents Breakdowns – Regular servicing can catch minor issues before they become expensive repairs.
What Does an Unvented Cylinder Service Include?
🔹 Expansion Vessel Check – Ensures the expansion vessel is correctly pressurized.
🔹 Pressure Relief Valve Testing – Checks if safety valves release excess pressure properly.
🔹 Tundish Inspection – Ensures water flows correctly and detects any leaks.
🔹 Heating Elements & Thermostat Check – Prevents overheating and ensures efficient water heating.
🔹 Visual Leak & Corrosion Inspection – Identifies potential weak spots.
🔹 Pipework & Connection Inspection – Ensures secure and leak-free joints.
How Often Should You Service an Unvented Cylinder?
📅 Annually – Most manufacturers and building regulations recommend an annual service.