12/09/2025
🚿💧 Did you know your pressurised (unvented) hot water cylinder is just as important to service yearly as your boiler?
At ProService Plumbing and Heating, we make sure your whole hot water system is safe, efficient, and reliable — not just the boiler.
✅ Why service your unvented cylinder every year?
Safety first: Checks prevent dangerous faults in high-pressure systems.
Efficiency: Keeps your system running smoothly and lowers energy bills.
Reliability: Reduces the risk of breakdowns and unexpected cold showers.
Lifespan: Prevents limescale, corrosion, and wear for a longer-lasting system.
Insurance: Many policies require annual servicing to stay valid.
🔧 What’s included in a professional cylinder service?
Recharging and testing the expansion vessel
Checking the thermostat and safety cut-out controls
Inspecting and testing the pressure relief valves
Cleaning the line strainer
Bleeding trapped air from the system
Checking and topping up the chemical inhibitor
Inspecting for leaks, corrosion, and limescale build-up
Checking isolation points for safe operation
Inspecting and testing electrical valves (e.g., two-port valves)
Checking the wiring centre and all electrical connections
Ensuring all safety devices are fully operational
Confirming correct operating pressure and temperature settings
⚠️ If these checks are left undone, your cylinder could become unsafe. For example, if safety valves aren’t working properly, the system won’t be able to release excess pressure, which could cause serious problems. Annual servicing ensures everything is working as it should, keeping your home and family safe.
📅 Book your annual service today with ProService Plumbing and Heating and enjoy complete peace of mind knowing your hot water system is in expert hands.
👉 Call us now to schedule your service and keep your hot water flowing safely all year round!