Gas

23 articles

• Annual Boiler Service Checklist: What Gets Checked & Why It Matters
  Annual boiler service checklist: flue gas analysis, heat exchanger, gas rate, condensate trap, Benchmark completion, CP12 for landlords
• Boiler Installation Checklist: Flue Positions, Condensate, Gas Pipe Sizing & Benchmarking
  Boiler installation checklist: flue terminal clearances, condensate drain, Gas Safe notification, benchmarking procedure
• Carbon Monoxide Safety: Alarm Placement, Flue Checks & Landlord Obligations
  CO alarm requirements: mandatory in rooms with solid fuel appliances (England), recommended for gas; landlord obligations
• Domestic Gas Pipe Sizing: Meter to Appliance Calculations
  Gas pipe sizing: meter governor pressure, pressure drop calculations, pipe sizing tables for domestic appliance loads
• Flexible Stainless Steel Flue Liner Installation: Sizing, Sealing and HETAS Requirements
  Flexible stainless steel flue liner installation: Type 316/904L grade selection, liner sizing (flue area 1/7 to 1/10 appliance input), terminal clearances, HETAS registration requirement — NEEDS FIX
• Flue Gas Analysis: CO/CO2 Ratios, Acceptable Readings & Analyzer Calibration
  Flue gas analysis: CO/CO2 ratio interpretation, acceptable readings, analyser calibration requirements and frequency
• Gas Appliance Servicing Beyond Boilers: Gas Fires, Hobs, Warm Air Units — Annual Check Scope and CP12 Coverage
  Gas fires annual check (spillage test, vitiation, heat input), hob combustion analysis, warm air unit filter and heat exchanger, CP12 scope covers all appliances not just boilers
• Gas Cooker and Hob Installation: Bayonet Fittings, Proximity Rules, Category I/II/III Appliances
  Gas cooker and hob installation: BS 669 bayonet fittings, 1.5m maximum hose, Category I/II/III appliance identification, proximity rules, FFD testing
• Gas Cooker Connection: Bayonet Fittings, Flexible Hoses, Stability Brackets & Gas Safe Compliance
  Gas cooker connection: BS 669-1 bayonet fitting, BS 669-2 corrugated SS hose (5-year replacement), stability bracket mandatory, gas soundness test before completion, Gas Safe registration required
• Gas Fire Installation: Balanced Flue, Flueless & Open Fronted Requirements
  Gas fireplace types: open-flued (chimney, ventilation, spillage test), balanced flue (sealed, no chimney), flueless (catalytic, 30m³ minimum, not in bedrooms or bathrooms)
• Gas Interlock Systems for Commercial Kitchens: Solenoid Valves, Extract Proving and BS 6173
  Commercial kitchen gas interlocks: BS 6173:2009 solenoid valve requirement, IGEM/UP/1B, extract proving (airflow switch), manual reset, DMA Canyon approved installers
• Gas Meter Upgrade and Relocation: Shipper vs Transporter Responsibilities and IGEM/G/4 Requirements
  Gas meter upgrade and relocation: shipper vs transporter responsibilities, IGEM/G/4 requirements, U6 vs U16 meter sizing, relocation process and timescales
• Gas Pipework Installation: Materials, Sizing, Burial and Pressure Testing
  Gas pipework installation: copper (BS EN 1057), CSST, MDPE (yellow, BS EN 1555), burial depth 375mm minimum, IGEM/UP/2 sizing, BS 6891 pressure testing (20 mbar 2-minute hold)
• Gas Pressure Testing: Soundness Tests, Tightness Tests & IGEM Procedures
  Gas pressure testing: IGEM/UP/1C tightness test procedure (20 mbar, 2-minute hold, ≤0.5 mbar drop = pass), let-by test for ECV, working pressure check, ID1/ID2/ID3 unsafe situation codes
• Gas Safe Registration: What Work Requires It, Penalties & How to Verify
  Gas Safe registration: all gas work on regulated fittings requires a registered engineer, £1000+ fine for unlicensed work
• Gas Smart Meters: SMETS2 Installation, Prepayment & Meter Exchange Process
  Gas smart meters: SMETS1 vs SMETS2 differences, DCC network, meter capacity (U6/U10/U16), gas rate calculation by appliance, installer scope, tightness test after isolation
• Gas Tightness Testing Procedure: Let-By Test, Pressure Drop & Reporting
  Gas tightness testing procedure: let-by test, working pressure test, pressure drop limit, locating leaks, and purging
• Gas Unsafe Situations: ID, AR & NCS Classifications — What to Do
  Gas unsafe situations: ID (Immediately Dangerous), AR (At Risk), NCS (Not to Current Standards) classifications and required actions
• LPG Installations: Storage, Pipework & Key Differences from Natural Gas
  LPG installations: above/below ground tank setback distances, propane vs butane, UKLPG CoP 22 requirements
• Natural Gas vs LPG: Pressure Differences, Appliance Conversion, IGEM/UP/1C Requirements and Off-Grid Storage Safety
  Natural gas 20–25 mbar vs LPG 28–37 mbar operating pressure, jet sizes differ by 20–30%, IGEM/UP/1C propane storage safety distances, appliance conversion requires Gas Safe
• New Boiler Commissioning: Benchmark Checklist, Gas Rate & Handover to Customer
  Boiler commissioning: Benchmark checklist (mandatory for warranty), gas rate verification, flue gas analysis (CO/CO2 ratio <0.004), BS 7593 water treatment documentation
• What Are the Regulations for Installing Solid Fuel Stoves and Wood Burners?
  HETAS registration, Approved Document J hearth dimensions (840×840mm, 12mm min), CO detector mandate, Smoke Control Area DEFRA exemptions, chimney lining requirements, BS EN 15287
• What Regulations Apply to Gas Work in the UK? An Overview for Gas Safe Engineers
  Gas Safety (Installation and Use) Regulations 1998 overview: Gas Safe Register, ID/AR/NCS procedures, CP12 landlord records, RIDDOR reporting, ACoP L56, emergency procedures