Description
Lochinvar & A.O. Smith 100173798 Gas/Air Assembly — KBN600–800
The Lochinvar & A.O. Smith 100173798 Gas/Air Assembly is a genuine OEM replacement component engineered specifically for KBN600 and KBN800 series Knight condensing boilers. Designed to maintain the precise fuel-to-air ratio critical for safe, efficient, and reliable combustion, this assembly is the factory-authorized solution for restoring your boiler to original operating specifications.
Product Overview
The gas/air assembly integrates the gas valve and air delivery components into a single, pre-matched unit, ensuring consistent combustion performance across the full firing range of the KBN600 and KBN800 boilers. Using genuine Lochinvar & A.O. Smith OEM parts eliminates compatibility guesswork and helps protect your equipment warranty.
Key Features
- Genuine OEM replacement part from Lochinvar & A.O. Smith
- Designed for KBN600 and KBN800 series Knight condensing boilers
- Integrates gas valve and air delivery for precise fuel-to-air ratio control
- Supports safe, efficient, and reliable combustion performance
- Direct drop-in replacement — restores boiler to factory specifications
- Helps maintain manufacturer warranty compliance
Compatible Models
- Lochinvar KBN600
- Lochinvar KBN800
- A.O. Smith KBN600
- A.O. Smith KBN800
Why Choose OEM?
Substituting non-OEM gas/air assemblies can compromise combustion efficiency, increase emissions, and void manufacturer warranties. The 100173798 assembly is built to the same tolerances as the original factory component, giving technicians and building owners confidence in every installation.
Part Information
- Part Number: 100173798
- Brand: Lochinvar & A.O. Smith
- Application: KBN600 – KBN800 Knight Condensing Boilers
- Component Type: Gas/Air Assembly
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