Lennox 10A85 2-Stage Natural Gas Valve 24VAC 1/2 NPT

The Lennox 10A85 is a genuine OEM 2-stage natural gas valve designed for use in Lennox residential and light commercial furnaces. This critical control component regulates natural gas flow with precision two-stage operation, allowing for improved efficiency and comfort control compared to single-stage valves.

Key Specifications:

• 2-stage gas valve operation for enhanced temperature control
• 24 VAC electrical requirement
• 1/2" NPT pipe connection size for inlet and outlet
• Designed for natural gas applications
• Genuine Lennox OEM part (Model/Part Number: 103181-03)
• White Rodgers 36J54-503 equivalent
• Configuration includes 1/8 NPT inlet and outlet ports with .25" straight plug

This authentic Lennox replacement valve ensures proper system operation, maintains factory efficiency ratings and certifications, and provides reliable drop-in replacement installation. Using genuine OEM parts preserves your furnace's original performance and ensures safe, dependable operation.