Lennox 17H05 is a direct replacement gas valve designed for mobile home HVAC systems requiring reliable fuel control and consistent performance. Manufactured by Robertshaw, model 720-474 operates at 24 volts and features 1/2" x 1/2" NPT connections, making it ideal for a wide range of gas furnace and heater applications. This gas valve offers precise regulation of natural gas or propane flow to ensure safe ignition and sustained combustion, improving system efficiency and safety.Constructed to meet strict quality standards, the Lennox 17H05 / Robertshaw 720-474 gas valve is built for durability in continuous operation environments typical of residential and mobile home HVAC systems. It provides smooth operation with reduced risk of failure and supports straightforward installation with standard fittings. This replacement part is suitable for technicians and homeowners looking to restore proper gas control and system reliability in compatible Lennox and other brand furnaces.
Key Features:
• Replacement for Lennox 17H05 and Robertshaw 720-474 gas valve
• Operates on 24 volt control circuits
• 1/2" x 1/2" NPT inlet and outlet connections
• Designed for mobile home HVAC applications
• Precise gas flow regulation for efficient combustion
• Durable construction for long service lifeThis gas valve is essential for maintaining safe and efficient operation of gas-fired heating systems in mobile homes and compatible residential furnaces.

