Lennox 18M65 Two-Stage Natural Gas Valve - 1/2

The Lennox 18M65 is a 1/2-inch two-stage natural gas valve designed for residential and light commercial HVAC applications. This precision-engineered gas valve provides reliable fuel delivery control for Lennox furnaces and heating equipment, ensuring safe and efficient operation.

Key Features:

• 1/2-inch NPT gas connection for standard installation
• Two-stage operation for enhanced efficiency and comfort
• Natural gas compatible (NG applications only)
• Direct OEM replacement for Lennox heating systems
• Redundant safety shutoff for reliable operation
• Factory tested for quality assurance

This gas valve regulates natural gas flow to the burner assembly, modulating between low-fire and high-fire stages based on heating demand. The two-stage design allows for more precise temperature control and improved energy efficiency compared to single-stage valves. Designed specifically for Lennox furnaces, this component ensures proper fit and compatibility with original equipment specifications.