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British Gas Boilers Boiler Efficiency Rating, Repair & Service

Model Type Fuel Efficiency
British Gas 330 Condensing Gas 89.7%
British Gas 330+ Condensing Gas 88.7%
British Gas 430 Condensing Gas 89.5%
British Gas 430 LPG Condensing LPG 90.5%
British Gas 430/I Condensing Gas 89.5%
British Gas 532 Condensing Gas 89.4%
British Gas 532 LPG Condensing LPG 90.4%
British Gas 532/I Condensing Gas 89.4%
British Gas 535/i Condensing LPG 90.1%
British Gas 537 Condensing Gas 89.4%
British Gas 537 LPG Condensing LPG 90.4%
British Gas 537/I Condensing Gas 89.4%
British Gas 539/i Condensing LPG 90.0%
British Gas 542 Condensing Gas 89.4%
British Gas 542 LPG Condensing LPG 90.4%
British Gas 542/I Condensing Gas 89.4%
British Gas RD 428 Condensing LPG 89.8%
British Gas RD 428 System Condensing Gas 88.8%
British Gas RD 430i System Condensing Gas 88.8%
British Gas RD 532 Combi Condensing Gas 89.5%
British Gas RD 532i Combi Condensing Gas 89.5%
British Gas RD 537i Combi Condensing Gas 89.5%
British Gas RD 542i Combi Condensing Gas 88.9%
British Gas RD628 RSF Non-Condensing Gas 78.4%