Pennant boilers and volume water heaters received a substantial upgrade with the Laars Linc intuitive control system with color touchscreen. Laars Linc has an easy-to-navigate icon control structure, quick-start option, USB input and performance information displayed on home screen. Also included is an auto cascade setup for up to eight Pennant units that features auto redundancy where if the lead unit drops out, the remaining will continue to operate. Available in seven sizes from 500 to 2000 MBH, natural or LP gas, 85% thermal efficiency, up to 4:1 stage firing and qualifies as low NOx emission.