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Boulter Boilers Boiler Efficiency Rating

Model Type Fuel Efficiency
Boulter Bonus 40/65 Non-Condensing Oil 85.5%
Boulter Bonus 65/90A Non-Condensing Oil 85.0%
Boulter Bonus 65/95 Non-Condensing Oil 83.5%
Boulter Bonus Combi 90A Non-Condensing Oil 82.5%
Boulter Buderus 500 – 24S Condensing Gas 89.7%
Boulter Buderus 500-24/C Condensing Gas 89.6%
Boulter Buderus 500-24/CP Condensing LPG 90.6%
Boulter Buderus 500-24SP Condensing LPG 90.7%
Boulter Buderus 500-28C Condensing Gas 89.6%
Boulter Buderus 500-28CP Condensing LPG 90.6%
Boulter Buderus 600-11RP Condensing LPG 90.3%
Boulter Buderus 600-11SP Condensing LPG 90.8%
Boulter Buderus 600-19RP Condensing LPG 90.3%
Boulter Buderus 600-19SP Condensing LPG 90.3%
Boulter Buderus 600-24CP Condensing LPG 90.2%
Boulter Buderus 600-24RP Condensing LPG 90.2%
Boulter Buderus 600-24SP Condensing LPG 90.2%
Boulter Buderus 600/11R Condensing Gas 89.3%
Boulter Buderus 600/11S Condensing Gas 89.3%
Boulter Buderus 600/19R Condensing Gas 89.3%
Boulter Buderus 600/19S Condensing Gas 89.3%
Boulter Buderus 600/24C Condensing Gas 89.1%
Boulter Buderus 600/24R Condensing Gas 89.2%
Boulter Buderus 600/24S Condensing Gas 89.2%
Boulter Buderus 800-24P Condensing LPG 89.5%
Boulter Buderus 800-24T25/H Condensing Gas 88.9%
Boulter Buderus 800-24T25/V Condensing Gas 88.9%
Boulter Buderus 800-29P Condensing LPG 89.6%
Boulter Buderus 800-29T25/H Condensing Gas 88.9%
Boulter Buderus 800-29T25/V Condensing Gas 88.9%
Boulter Buderus 800-43P Condensing LPG 89.6%
Boulter Buderus 800/24 Condensing Gas 88.5%
Boulter Buderus 800/29 Condensing Gas 88.6%
Boulter Buderus 800/43 Condensing Gas 88.6%
Boulter Buderus 800/60 Condensing Gas 88.6%
Boulter Camray 15/19 External Non-Condensing Oil 80.5%
Boulter Camray 15/21 External Non-Condensing Oil 70.0%
Boulter Camray 15/21 Internal Non-Condensing Oil 70.0%
Boulter Camray 3 135/175 Non-Condensing Oil 85.1%
Boulter Camray 3 135/175 B Non-Condensing Oil 70.0%
Boulter Camray 3 135/175 F Non-Condensing Oil 70.0%
Boulter Camray 3 40/50 Non-Condensing Oil 70.0%
Boulter Camray 3 50/70 Non-Condensing Oil 70.0%
Boulter Camray 3 90/130 B Non-Condensing Oil 70.0%
Boulter Camray 3 90/130 F Non-Condensing Oil 70.0%
Boulter Camray 5 100/130 Non-Condensing Oil 80.1%
Boulter Camray 5 100/140 Non-Condensing Oil 80.1%
Boulter Camray 5 100/140 System Non-Condensing Oil 80.1%
Boulter Camray 5 100/140 Utility Non-Condensing Oil 80.1%
Boulter Camray 5 150/200 Non-Condensing Oil 83.6%
Boulter Camray 5 150/200G Non-Condensing Oil 85.5%
Boulter Camray 5 150/200K Non-Condensing Oil 84.2%
Boulter Camray 5 200/240 Non-Condensing Oil 84.4%
Boulter Camray 5 40/65 Non-Condensing Oil 85.5%
Boulter Camray 5 40/65 EX Non-Condensing Oil 85.5%
Boulter Camray 5 65/90 EX Non-Condensing Oil 84.7%
Boulter Camray 5 65/90A Non-Condensing Oil 85.0%
Boulter Camray 5 65/90A System Non-Condensing Oil 85.0%
Boulter Camray 5 65/90A Utility Non-Condensing Oil 85.0%
Boulter Camray 5 65/95 Non-Condensing Oil 83.5%
Boulter Camray 5 95/130A Non-Condensing Oil 85.3%
Boulter Camray 5 95/130A System Non-Condensing Oil 85.3%
Boulter Camray 5 95/130A Utility Non-Condensing Oil 85.3%
Boulter Camray 5 Combi Non-Condensing Oil 81.8%
Boulter Camray 5 Combi 55 Non-Condensing Oil 83.8%
Boulter Camray 5 Combi 70A Non-Condensing Oil 83.3%
Boulter Camray 5 Combi 90A Non-Condensing Oil 83.3%
Boulter Camray 5 Combi 90BE Non-Condensing Oil 83.0%
Boulter Camray 5 System 100/130 System Non-Condensing Oil 80.1%
Boulter Camray 5 System 40/65 System Non-Condensing Oil 85.5%
Boulter Camray 5 System 65/95 System Non-Condensing Oil 83.5%
Boulter Camray 5 U 40/65 S Non-Condensing Oil 85.5%
Boulter Camray 5 U 65/90 SB Non-Condensing Oil 84.2%
Boulter Camray 5 U 95 / 130 SA Non-Condensing Oil 85.3%
Boulter Camray 5 Utility 100/130 Utility Non-Condensing Oil 80.1%
Boulter Camray 5 Utility 40/65 Utility Non-Condensing Oil 85.5%
Boulter Camray 5 Utility 65/95 Utility Non-Condensing Oil 83.5%
Boulter Camray 5 Wall Hung 50/70 External Non-Condensing Oil 85.3%
Boulter Camray 5 Wall Hung 50/70 Internal Non-Condensing Oil 85.3%
Boulter Camray Combi 90/130 B Non-Condensing Oil 70.0%
Boulter Camray Combi 90/130 F Non-Condensing Oil 70.0%
Boulter Camray Combi plus Non-Condensing Oil 78.5%
Boulter Camray Compact 50/70 B Non-Condensing Oil 70.0%
Boulter Camray Compact 50/70 F Non-Condensing Oil 70.0%
Boulter Camray Quartet 110/150 B Non-Condensing Oil 70.0%
Boulter Camray Quartet 110/150 F Non-Condensing Oil 70.0%
Boulter Camray Quartet 40/60 B Non-Condensing Oil 70.0%
Boulter Camray Quartet 40/60 F Non-Condensing Oil 70.0%
Boulter Camray Quartet 60/80 B Non-Condensing Oil 70.0%
Boulter Camray Quartet 60/80 F Non-Condensing Oil 70.0%
Boulter Camray Quartet 90/110 B Non-Condensing Oil 70.0%
Boulter Camray Quartet 90/110 F Non-Condensing Oil 70.0%
Boulter Camray Utility 110/150 B Non-Condensing Oil 70.0%
Boulter Camray Utility 110/150 F Non-Condensing Oil 70.0%
Boulter Camray Utility 40/60 B Non-Condensing Oil 70.0%
Boulter Camray Utility 40/60 F Non-Condensing Oil 70.0%
Boulter Camray Utility 60/80 B Non-Condensing Oil 70.0%
Boulter Camray Utility 60/80 F Non-Condensing Oil 70.0%
Boulter Camray Utility 90/110 B Non-Condensing Oil 70.0%
Boulter Camray Utility 90/110 F Non-Condensing Oil 70.0%
Boulter Centurion 2.5 Non-Condensing Gas 76.6%
Boulter Centurion 3.5 Non-Condensing Gas 77.0%
Boulter Classic 135/165 Non-Condensing Oil 84.1%
Boulter Classic 135/165A Non-Condensing Oil 84.6%
Boulter Classic 50/70 Non-Condensing Oil 79.5%
Boulter Classic 50/70 A Non-Condensing Oil 85.0%
Boulter Classic 50/70 A System Non-Condensing Oil 85.0%
Boulter Classic 70/90 Non-Condensing Oil 80.3%
Boulter Classic 70/90A Non-Condensing Oil 84.7%
Boulter Classic 70/90A System Non-Condensing Oil 84.7%
Boulter Classic 95/130 Non-Condensing Oil 85.5%
Boulter Classic 95/130 System Non-Condensing Oil 85.5%
Boulter Compact 50/70 Non-Condensing Oil 81.6%
Boulter Eco-System 12/19 Non-Condensing Oil 85.5%
Boulter Eco-System 19/26 Non-Condensing Oil 84.2%
Boulter Economy 130 Non-Condensing Oil 70.0%
Boulter Economy 50/70 Non-Condensing Oil 70.0%
Boulter Economy 70/90 Non-Condensing Oil 70.0%
Boulter Economy 90 Non-Condensing Oil 70.0%
Boulter Pathfinder C2/10A (Gas Oil) Non-Condensing Oil 84.9%
Boulter Pathfinder C2/10A (Kerosene) Non-Condensing Oil 84.7%
Boulter Pathfinder C2/6A (Gas Oil) Non-Condensing Oil 84.2%
Boulter Pathfinder C2/6A (Kerosene) Non-Condensing Oil 84.6%
Boulter Pathfinder C2/7A (Gas Oil) Non-Condensing Oil 84.3%
Boulter Pathfinder C2/7A (Kerosene) Non-Condensing Oil 84.5%
Boulter Pathfinder C2/8A (Gas Oil) Non-Condensing Oil 84.4%
Boulter Pathfinder C2/8A (Kerosene) Non-Condensing Oil 84.5%
Boulter Pathfinder C2/9A (Gas Oil) Non-Condensing Oil 84.6%
Boulter Pathfinder C2/9A (Kerosene) Non-Condensing Oil 84.6%
Boulter Pathfinder GA 36 kW Non-Condensing Gas 79.3%
Boulter Pathfinder GA 48 kW Non-Condensing Gas 79.6%
Boulter Pathfinder GA 60kW Non-Condensing Gas 79.6%
Boulter Pathfinder GA 70kW Non-Condensing Gas 79.5%

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