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RGII Certificate of Compliance (CERT 2)

An RGII CERT 2 is the Irish certificate of compliance for gas appliance servicing and maintenance, issued under IS 813. It documents the annual service of one or more gas appliances — recording the work carried out, parts replaced, tightness test results, and the safe-to-use status of each appliance. Any homeowner, landlord, or business in Ireland should request a CERT 2 whenever a registered gas installer services their boiler or other gas appliances.

IS 813:2002+A1:2010 (Domestic Gas Installations)Valid: Annual (12 months recommended)

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Sample RGII CERT 2 certificate

Sample RGII Certificate of Compliance (CERT 2) certificate created with CertBox, showing the professional PDF layout with details of each appliance serviced (type, make, model, flue type), work carried out and parts replaced per appliance, operating pressure readings

Sample RGII CERT 2 with fictional data. All personal details shown are fake.

What it covers

  • Details of each appliance serviced (type, make, model, flue type)
  • Work carried out and parts replaced per appliance
  • Operating pressure readings
  • Safe-to-use status (Yes / No — Disconnected / At Risk)
  • Tightness test result, ventilation check, and flue flow assessment
  • CO alarm status
  • RGII registration number and installer declaration

Who needs a RGII CERT 2?

Homeowners arranging boiler service
Landlords (annual service record)
Boiler warranty holders
Property managers

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Frequently asked questions about RGII CERT 2

What is the difference between a CERT 1 and a CERT 2?
A CERT 1 covers new gas installations and alterations to pipework. A CERT 2 covers servicing and maintenance of existing gas appliances — it is the record you receive when your boiler is serviced. Both must be issued by an RGII-registered installer.
How often should a gas boiler be serviced in Ireland?
Gas boiler manufacturers and RGII recommend annual servicing to maintain efficiency, safety, and warranty validity. Landlords are also advised to service gas appliances annually as part of their duty of care to tenants.
What happens if an appliance is marked At Risk on a CERT 2?
If an appliance is classified At Risk, the installer must inform the customer of the risk and the recommended remedial action. If it is immediately dangerous, the appliance must be disconnected and the customer advised not to use it until repaired.

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