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Using a genuine Lennox 49W63 ensures the pressure differential requirements and solenoid wattage align perfectly with the original equipment specifications
a 90-degree coil siphon is typically preferred
Engineered with an 11-square-inch effective diaphragm area
While the physical size may match
Reznor 196981 Gas Valve 30067439-890 Using a genuine Lennox 49W63The Reznor 196981 Gas Valve is an essential OEM replacement component engineered for single stage natural gas unit heaters and duct furnaces. Designed with a standard 3 4" NPT connection, this 24V gas valve operates at a 3. 5" water column (WC) pressure rating to ensure precise fuel regulation and reliable combustion performance. As the direct replacement for 8419 75 and the VR8305K4241, this valve is critical for maintaining the safety sequence of
