Unvented Cylinder G3 Check

[ DETAILS ]

Unvented Cylinder G3 Safety Check

Annual Cylinder Safety Check

We carry out a full G3 safety inspection of your unvented hot water cylinder to ensure it is operating safely and in line with manufacturer recommendations.

Pressure & Safety Valve Inspection

All key safety components including pressure relief valves and expansion controls are checked to make sure the system is functioning correctly and safely.

System Performance Check

Our engineers inspect the overall operation of the cylinder, ensuring it is heating water efficiently and that all system settings are correct.

Digital Service Record Provided

Once the service is complete, a digital record of the inspection and any recommended works is provided so you have a clear record of the system’s condition.

A technician adjusting a valve on a hot water heater in a utility room with pipes and an Expansion Tank.
Close-up of two brass valves with orange caps, attached to black handles, with a large red container in the background. 
[ OVERVIEW ]

Unvented hot water cylinders store and supply pressurised hot water to your property, making them an important part of many modern heating systems. Regular G3 safety checks ensure the cylinder and its safety components are working correctly and safely. Our engineers carry out a full inspection in line with manufacturer guidelines to help maintain performance, safety and reliability.

If your unvented cylinder is due a service or safety check, contact our team today and we will arrange a convenient time for one of our qualified engineers to visit.

Contact Us 
[ FAQ ]

FAQs

  • An unvented cylinder should usually be checked once a year to ensure it is operating safely and efficiently.

  • A G3 check is a safety inspection carried out by a qualified engineer to make sure the cylinder and its safety components are working correctly.

  • Yes. Unvented cylinders must be serviced by a qualified G3 certified engineer because the system operates under pressure.

  • Without regular checks, safety components may not work properly and the system may become less efficient or develop faults over time.

Our services

A technician repairs an electrical or HVAC unit inside a white cabinet in a room.

Gas boiler service

A man in work clothes cleaning an outdoor air conditioning unit with a spray wand on a rainy day.

Air/Ground source service

A man wearing a black Mitsubishi Electric jacket adjusting equipment in a utility room with pipes, a red expansion tank, and a white boiler.

Unvented cylinder G3 check

A solar water heater installed on the sloped roof of a building, with a window open below it and a clear blue sky in the background.

Solar Thermal