Lochinvar 387,000 BTU Output Knight XL High Efficiency Boiler (NG)

387,000 BTU Output Knight XL High Efficiency Boiler (NG) 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. Product Features Stainless Steel Water Tube Heat Exchanger 7" Touch Screen with Built-In CON·X·US Combustion Air Filter 10:1 Modulation Turndown Specifications 97% Thermal Efficiency Direct Spark Ignition Low NOx Operation Sealed Combustion Low Gas Pressure Operation ASME-Certified, “H” Stamped 160 psi Working Pressure 50 psi Relief Valve Combustion Analyzer Test Port Fully Welded Design On/Off Switch Adjustable High Limit with Manual Reset Automatic Reset High Limit Flow Switch Flue Temperature Sensor Low Air Pressure Switch Temperature and Pressure Gauge Condensate Trap