S SO TRUST LAARS ® OMNITHERM® NEAR CONDENSING BOILER & VOLUME MAGNATHERM® FT COMMERCIAL CONDENSING WATER HEATER: Electronic Air-to-Fuel Ratio Control FIRE TUBE BOILER: Advanced Laars CF-Tech™ flue maintains ideal gas and oxygen levels for peak tube technology delivers 95% Thermal Efficiency performance, up to 87% thermal efficiency and 7:1 and long heat exchanger life. Includes Tru Trac™ turndown. Long-life stainless steel heat exchanger, O2 Trim for optimized combustion, 20:1 turndown venting options for Category I, II, III or IV applications, and Laars Linc® advanced control system. and Laars Linc® control system. 1000 to 3000 MBH sizes 1250 to 3000 MBH sizes Built to be the Best ®