Lochinvar 100135311 Burner Assembly 399-500K BTU with Gaskets

The Lochinvar 100135311 is a genuine OEM burner assembly designed for high-capacity commercial boilers and water heaters operating in the 399,000 to 500,000 BTU/hr range. This precision-engineered component is constructed from durable stainless steel and includes gaskets for proper sealing and installation.

Compatible Equipment:

• Knight XL boilers (models KBN399, KBN400, KBN500, KBN501)
• Armor water heaters (models AWN399, AWN400, AWN500, AWN501, SNA400-501)
• Shield series units in the 399-501K BTU range
• Knight XL AQUAS pool heaters (models XP 402-502)

Key Features:

• Stainless steel construction for corrosion resistance and longevity
• Fully modulating burner design with 5:1 to 10:1 turndown capability
• Direct spark ignition system for reliable starting
• Low NOx emissions for environmentally compliant operation
• Includes mounting gaskets for proper installation and sealing
• 1/2-inch NPT connection

This burner assembly is a critical component that delivers efficient combustion and reliable heat generation for commercial heating and hot water applications. Designed for use in condensing boilers and water heaters, it works in conjunction with the SMART SYSTEM control to provide optimal performance and energy efficiency. Professional installation is recommended to ensure proper operation and warranty compliance.