Lochinvar 549,000 BTU Output Knight XL Commercial Boiler, M13 (Natural Gas)

Refined and on-line, the KNIGHT XL remains the dependable workhorse with a new touchscreen control, increased thermal efficiency, 10:1 turndown and longer vent lengths than before. Set-up KNIGHT XL quickly and accurately using the SMART TOUCH control. The LED touch screen display clearly leads technicians through features like Ramp Delay and controlling the 0-10 volt pump; and, with CON·X·US remote connect being standard, making adjustments remotely are easy from any wireless device. The KNIGHT XL has a new sleek appearance and a multitude of refinements sure to keep current fans and win over even more. Product Features: 97% Thermal Efficiency 10:1 Turndown Ratio Full Color 7” Touchscreen LCD Display CON·X·US Remote Connectivity and SMART TOUCH Operating Control Stainless Steel Water Tube Heat Exchanger Loch-N-Link USB Thumb Drive Port for Easy Programming Firing Code: CSD1/FM/GE Gap