Gas

32 articles

• Annual Boiler Service: What Gets Checked & Why (UK Guide)
  Annual boiler service checklist: flue gas analysis, heat exchanger, gas rate, condensate trap, Benchmark completion, CP12 for landlords
• Boiler Installation Checklist: Gas Safe & Building Regs UK
  Boiler installation checklist: flue terminal clearances, condensate drain, Gas Safe notification, benchmarking procedure
• Carbon Monoxide Alarm Positioning: BS EN 50292 Distances and Heights
  CO alarm positioning BS EN 50292: 1-3m from appliance, 150mm minimum below ceiling for ceiling-mount, 150mm below ceiling for wall-mount; every room with a fuel-burning appliance under Smoke and Carbon Monoxide Alarm Regs 2015 (rented) or Approved Document J
• Carbon Monoxide Safety: Alarm Placement & Regulations UK
  CO alarm requirements: mandatory in rooms with solid fuel appliances (England), recommended for gas; landlord obligations
• Commercial Gas Safety: IGEM/UP/1B & Annual Inspection UK
  GSIUR + IGEM/UP standards; UP/1B small NG tightness test (electronic); COMCAT commercial categories; BS 6173 catering ventilation interlock + gas solenoid; annual inspection; employer duty
• Domestic Gas Pipe Sizing: Meter to Appliance Calculations
  Gas pipe sizing: meter governor pressure, pressure drop calculations, pipe sizing tables for domestic appliance loads
• Flue Gas Analysis: CO/CO2 Ratios & Safe Readings Guide
  Flue gas analysis: CO/CO2 ratio interpretation, acceptable readings, analyser calibration requirements and frequency
• Flue Terminal Clearances: Part J and BS 5440 Distances
• Flueless and Open-Flue Gas Fires: Room Sizing and Ventilation
  Open-flue and flueless gas fires draw combustion air from the room — need permanent fixed air vents of correct free area; room-volume limits for flueless heaters; Gas Safe only; GSIUR 1998, BS 5871, BS 5440-1/-2
• Gas Appliance Servicing UK: CP12 Beyond Boilers Guide
  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 & Hob Installation: BS 669 Bayonet Rules UK
  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 Bayonet Fittings: Connection, Hose Length and Safety
  Gas cooker bayonet fittings: BS 669-1 hose (1m standard, 1.25m max), self-sealing bayonet quick-disconnect for maintenance; must be by Gas Safe registered engineer for connection; check every service, replace hose >10yr / cracked / kinked; landlord duty under GSIUR 1998
• Gas Cooker Connection: Bayonet Fitting & Gas Safe Rules
  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 Requirements: Flue Types & Ventilation
  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: BS EN 203
  Commercial kitchens; GSIUR 1998; BS 6173 catering install; BS EN 203 appliances; IGEM/UP/19 ventilation interlock; MLG manual-reset latching gas valve vs MES; air-proving switches on extract/supply fans; CO detection; commissioning + annual checks
• Gas Interlock Systems: BS 6173 Commercial Kitchen Guide
  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 Relocation: Who Installs & IGEM/G/4 Rules UK
  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: BS 6891 Sizing & Testing Guide
  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 UK: Soundness & Tightness Tests
  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 UK: Who Needs It & How to Check
  Gas Safe registration: all gas work on regulated fittings requires a registered engineer, £1000+ fine for unlicensed work
• Gas Safety Checks: Annual CP12 Landlord Obligations UK
  GSIUR 1998 Reg 36 annual landlord check; CP12/LGSR; copy to tenant within 28 days / before move-in; keep 2 years; 2-month early window keeps date; CO alarm regs 2015/2022
• Gas Smart Meters UK: SMETS2 Installation & Prepayment Guide
  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 Test Procedure: Let-By & Pressure Drop Guide
  Gas tightness testing procedure: let-by test, working pressure test, pressure drop limit, locating leaks, and purging
• Gas Unsafe Situations: ID, AR & NCS Classifications UK
  Gas unsafe situations: ID (Immediately Dangerous), AR (At Risk), NCS (Not to Current Standards) classifications and required actions
• Gas Work Regulations UK: Gas Safe Engineer Guide 2024
  Gas Safety (Installation and Use) Regulations 1998 overview: Gas Safe Register, ID/AR/NCS procedures, CP12 landlord records, RIDDOR reporting, ACoP L56, emergency procedures
• LPG Gas Installations UK: Storage, Pipework & Safety Guide
  LPG installations: above/below ground tank setback distances, propane vs butane, UKLPG CoP 22 requirements
• LPG Systems for Domestic Properties: Tank Regulations UK
• Natural Gas vs LPG: Conversion & IGEM/UP/1C Guide UK
  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
  Boiler commissioning: Benchmark checklist (mandatory for warranty), gas rate verification, flue gas analysis (CO/CO2 ratio <0.004), BS 7593 water treatment documentation
• Room-Sealed vs Open-Flue Appliances: Safety and Ventilation
  Room-sealed vs open-flue appliances — room-sealed take/expel air outside (no room vent, safer); open-flue need ventilation and spillage testing; CO risk; Gas Safe only; GSIUR 1998, BS 5440-1/-2, BS 5871
• Solid Fuel Stove Regulations UK: Part J & HETAS Guide
  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
• Stainless Steel Flue Liner Installation: HETAS Guide UK
  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