Knight XL Boiler Spec Sheet.pdf

This is a Lochinvar Knight XL Commercial Boiler Submittal Sheet (KBX-Sub-11) detailing technical specifications for high-efficiency condensing heating boilers. The document provides comprehensive dimensional drawings and specifications for multiple boiler models (KBX400N through KBX1000N) with input ranges from 399 to 999 MBH and 97% thermal efficiency.

Key features include a modulating burner with 10:1 turndown, direct spark ignition, stainless steel water tube heat exchanger, smart system control with a full-color 7" touchscreen, and advanced connectivity options like COM-X-US remote connect and cascading sequencer. The boilers offer vertical and horizontal direct vent configurations, multiple redundancy options, programmable system efficiency optimizers, and come with a 10-year limited warranty. Optional equipment includes wireless sensors, communication protocols, and various venting and firing code configurations.