Lochinvar KHB199N Knight® 199,000 BTU High-Efficiency Natural Gas Boiler – 95% AFUE, Floor-Mounted

The Lochinvar KHB199N Knight® is a high-efficiency, floor-mounted natural gas boiler designed for both residential and light commercial applications. With an input capacity of 199,000 BTU/hr and an output of approximately 189,999 BTU/hr, it achieves an impressive 95% AFUE efficiency rating. The unit features a fully modulating burner with a 10:1 turndown ratio, ensuring optimal performance and energy savings. Its stainless steel fire-tube heat exchanger resists corrosion and scale buildup, enhancing longevity. The SMART SYSTEM™ control with CON·X·US® remote connectivity offers advanced diagnostics and remote monitoring capabilities. The KHB199N's compact design, top-mounted connections, and versatile venting options (up to 100 ft.) allow for flexible installation in various settings.

Key Features:

199,000 BTU/hr input capacity

Approximately 189,999 BTU/hr output capacity

95% AFUE thermal efficiency

10:1 turndown ratio with fully modulating burner

Stainless steel fire-tube heat exchanger

SMART SYSTEM™ control with CON·X·US® remote connectivity

Direct-vent sealed combustion

Top-mounted water connections for easy installation

ASME certified

Product Overview

Replacement Parts