Offered in 5 sizes from 550,000–2,000,000 Btu/hr, SlimFit™ boilers feature boiler-to-boiler communication, Modbus® and BACnet® for linking with BAS, express setup wizard, and 10 preset typical heating systems. Controls interface simplifies navigation, status comprehension, and diagnostics. While design facilitates integration into existing systems, factory assembly allows for on-site plug-and-play installation. Boilers achieve 96.1% combustion efficiency and 95.8% thermal efficiency.