In most Lochinvar Knight and Power-Fin units

This specific gasket is designed for high-efficiency condensing boilers and water heaters where air-to-fuel precision is paramount

Optimal Air Temperature: Helps restore and maintain proper discharge air temperature in HVAC systems

as well as TR

The 90-degree offset allows for standard threaded connection to the gas train while maintaining the correct profile for internal internal burner tube clearance and airflow

Bradford White 239-46991-01 Gas Valve 324846-701 In most Lochinvar Knight andThe Bradford White 239 46991 01 Gas Valve is an OEM replacement Robertshaw gas control valve engineered specifically for LP gas water heaters. This 10" WC gas valve regulates liquid propane flow with a fixed manifold pressure to ensure consistent burner performance and thermal efficiency. Designed for compatibility with various Bradford White Defender Safety System models, it integrates a built in thermopile powered intellectual control system. As a