This Lennox 17H21 replacement gas valve, also referenced as White-Rodgers 36J24-214, is a premium electronic ignition gas control valve engineered for 1-stage slow opening operation in residential and light commercial furnaces. Designed as an OEM-equivalent component, this gas valve delivers reliable performance, precise fuel metering, and consistent ignition control to keep your HVAC system running safely and efficiently.

The 1-stage slow opening design ensures controlled introduction of gas to the burner manifold, reducing stress on components and improving ignition stability. The electronic ignition compatibility enables seamless integration with modern furnace control boards, providing dependable response to ignition commands while maintaining proper safety interlocks.

Constructed to meet strict manufacturer standards, this gas valve offers durable construction with precision seals and tested internal components that provide long service life and dependable operation under regular cycling conditions. Its direct fit design aligns with Lennox system specifications, making installation straightforward for qualified HVAC technicians.

Ideal for system replacements or retrofits where the original valve is failing, leaking, or no longer operating within specification, the Lennox 17H21 / White-Rodgers 36J24-214 gas valve supports efficient heat production, reduces down-time, and helps maintain consistent comfort throughout the heating season.

 

Key Features:

• Electronic ignition gas valve designed for one stage slow opening operation
• OEM-equivalent replacement for Lennox 17H21 and White-Rodgers 36J24-214
• Precise gas flow control for reliable ignition and stable flame performance
• Slow opening design reduces stress on furnace components
• Durable construction for extended service life
• Compatible with a wide range of Lennox and White-Rodgers controlled furnaces

 

Applications:

• Replacement in residential or light commercial furnaces requiring a 1-stage slow opening electronic ignition gas valve
• Repair or upgrade of existing Lennox/White-Rodgers HVAC systems
• Suitable for systems where valve reliability and precise gas metering are critical

 

Installation Notes:

Professional installation by a licensed HVAC technician is required. Ensure system power is disconnected and gas supply is shut off before replacement. Verify compatibility with your specific Lennox or White-Rodgers system prior to ordering.