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GEM Boilers Boiler Efficiency Rating, Repair & Service

Model Type Fuel Efficiency
GEM CC1 15/20 Condensing Oil 89.1%
GEM CC2 20/26 Condensing Oil 89.1%
GEM CC3 26/35 Condensing Oil 89.2%
GEM CC4 35/41 Condensing Oil 89.2%
GEM CKUT1 15/20 Condensing Oil 90.8%
GEM CKUT2 20/26 Condensing Oil 90.8%
GEM CKUT3 26/35 Condensing Oil 90.9%
GEM CKUT4 35/41 Condensing Oil 90.9%
GEM COD C1 15/20 Condensing Oil 89.1%
GEM COD C2 20/26 Condensing Oil 89.1%
GEM COD C3 26/35 Condensing Oil 89.2%
GEM COD C4 35/41 Condensing Oil 89.2%
GEM COD1 15/20 Condensing Oil 90.8%
GEM COD1 SS 15/20 Condensing Oil 90.8%
GEM COD2 20/26 Condensing Oil 90.8%
GEM COD2 SS 20/26 Condensing Oil 90.8%
GEM COD3 26/35 Condensing Oil 90.9%
GEM COD3 SS 26/35 Condensing Oil 90.9%
GEM COD4 35/41 Condensing Oil 90.9%
GEM COD4 SS 35/41 Condensing Oil 90.9%
GEM CS1 15/20 Condensing Oil 90.8%
GEM CS2 20/26 Condensing Oil 90.8%
GEM CS3 26/35 Condensing Oil 90.9%
GEM CS4 35/41 Condensing Oil 90.9%
GEM E-Compact 50/70 Boiler House Condensing Oil 92.0%
GEM E-Compact 50/70 Cosyman Condensing Oil 92.0%
GEM E-Compact 70/90 Boiler House Condensing Oil 91.6%
GEM E-Compact 70/90 Cosyman Condensing Oil 91.6%