Service Description

Specification – Domestic Gas Boiler Safety Check (UK) 1. Scope This specification covers the annual gas safety inspection of a domestic gas-fired boiler installation in accordance with the UK Gas Safety (Installation and Use) Regulations 1998 and current Gas Safe Register guidance. The inspection shall be carried out only by a suitably qualified and currently registered Gas Safe engineer. The inspection applies to: * Gas boiler appliance * Associated flue system * Gas pipework serving the appliance * Ventilation provisions * Safety controls and combustion performance Annual gas safety checks are a legal requirement for rented properties in the UK.  2. Standards and Compliance Works shall comply with: * Gas Safety (Installation and Use) Regulations 1998 * Relevant British Standards and IGEM guidance * Manufacturer’s installation and servicing instructions * Current Gas Safe Register requirements ⸻ 3. Pre-Inspection Requirements Engineer shall: * Verify Gas Safe registration and appliance qualifications * Confirm appliance make, model, serial number, and location * Obtain access to all relevant areas * Visually assess the installation before testing * Check for signs of unsafe conditions or tampering ⸻ 4. Inspection and Testing Requirements 4.1 Visual Inspection Carry out visual inspection of: * Boiler casing and integrity * Pipework condition and support * Signs of corrosion, overheating, or leakage * Appliance location suitability * Accessibility of isolation valves and controls * Electrical connections visible externally * Flue condition, routing, support, and termination ⸻ 4.2 Gas Tightness Test Conduct gas tightness testing at the meter to verify: * No gas leaks present * Pipework integrity satisfactory * Emergency control valve accessible and operational Where a full tightness test is not performed, reasons shall be recorded. ⸻ 4.3 Operating Pressure / Gas Rate Check and record: * Standing pressure * Working pressure * Burner pressure (where applicable) * Gas rate against manufacturer data Confirm appliance receives adequate gas supply. ⸻ 4.4 Combustion Analysis Using a calibrated flue gas analyser: * Measure combustion performance * Record CO/CO₂ ratio * Confirm combustion readings within manufacturer tolerances * Check for evidence of incomplete combustion Unsafe combustion results shall require appliance classification and appropriate action. ⸻ 4.5 Flue Performance Inspect and test flue system for: * Correct