eliminating the need for field modifications during preventative maintenance

these are interchangeable part numbers for the same Lennox OEM temperature sensor assembly used across various commercial and residential platforms

For steam applications up to 400°F

ensuring zero-downtime replacements in existing systems

Lochinvar & A.O. Smith 100112344 Burner Assy 318172-701 eliminating the need for fieldThe Lochinvar & A. O. Smith 100112344 Burner Assy is a critical OEM replacement component designed for high efficiency natural gas water heaters and commercial boilers. This 16 inch burner assembly features a precision drilled #39 orifice, engineered to maintain the exacting gas to air ratios required for clean combustion and optimal thermal output. As a genuine Lochinvar replacement part, it ensures seamless integration with compatible hydronic