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Market Fuel Heat Exchanger Condensing Heating Medium Efficiency Heating Medium Efficiency Heating Medium Efficiency Atmospheric Gas-Fired Boiler Atmospheric Gas-Fired Boiler Atmospheric Gas-Fired Boiler Atmospheric Gas-Fired 80% Atmospheric Gas-Fired Boiler Atmospheric Gas-Fired Boiler Atmospheric Gas-Fired Boiler Condensing Gas-Fired Cast Iron Boiler Gas-Fired Condensing Boiler Gas-Fired Condensing Boiler Gas-Fired Condensing Boiler Aluminum HEX Cast Iron Boiler Cast Iron Boiler Cast Iron Boiler Cast Iron Boiler Cast Iron Boiler Cast Iron Boiler Gas-Fired Condensing Hot Water Supply Boiler Condensing PFW 200 MBH to 399 MBH 95% Domestic Hot Water Domestic Hot Water X X Commercial Gas Cast Iron Boiler Cast Iron Boiler 80 Stainless Steel Domestic Hot Water Steam Steam or Water Water Steam or Water Water 80-82% Steam Series 5B (401 MBH to 1,950 MBH) Water Series 64 82%-83% (345 MBH to 633 MBH) Water or Steam Water Commercial Gas Cast Iron Stainless Steel Non-condensing Condensing Commercial Gas/Oil/Dual Fuel Cast Iron Non-condensing Water or Steam SC/SCT 81%-83% (404 MBH to 794 MBH) PureFire 95%-96% (300 MBH to 1,500 MBH) TCII 81%-86% (1,106 MBH to 5,553 MBH) LC/LCE 80%-83% (665 MBH to 4,663 MBH) CC 81%-83% (364 MBH to 2,165 MBH) PB Heat, LLC - Peerless GM 80-82% (228 MBH to 399 MBH) 211A 80% (630 MBH to 9,450 MBH) V9A 80%-83% (837 MBH to 5,733 MBH) (980 MBH to 5,845 MBH) Water or Steam (447 MBH to 2,367 MBH) X Cast 92 92% (399 MBH) 80%-85% 93%-95% SlimFit Apex (500 MBH to 800 MBH) 95% X X V11H 88 Water Water Burnham Commercial / Thermal Solutions Weil-McLain Water Series 8H/8HE (252 MBH to 505 MBH) X 80%-83% (400 MBH to 2,860 MBH) 79%-81% Steam or Water Steam X (315 MBH to 495 MBH) 82% EGH LGB (550 MBH to 2,000 MBH) 83%-86% (346 MBH to 1,674 MBH) X
