Lennox 10A33 Gas Valve – 103181-04 / White Rodgers 36J55-256
Two-Stage Natural Gas Valve, 24 VAC, 1/2" NPT, OEM Furnace Replacement
The Lennox 10A33 gas valve (103181-04), manufactured by White Rodgers as model 36J55-256, is a genuine OEM two-stage gas valve designed for natural gas furnaces. Built for precise gas flow regulation and dependable ignition control, this 24 VAC combination gas valve ensures safe, efficient, and consistent heating performance in compatible Lennox residential HVAC systems.
Designed to meet strict OEM specifications, the Lennox 10A33 provides accurate staging between low and high fire operation, helping improve comfort, reduce temperature swings, and enhance overall furnace efficiency.
This is a direct factory replacement part — ideal for restoring proper furnace operation when replacing a faulty or failing gas valve.
Key Features and Specifications
• Genuine Lennox OEM Part
• Lennox Catalog Number: 10A33
• Lennox Part Number: 103181-04
• White Rodgers Model: 36J55-256
• Two-Stage Gas Valve
• Fuel Type: Natural Gas
• Voltage: 24 VAC
• Pipe Size: 1/2" NPT Inlet and Outlet
• Combination Gas Control Valve
• Designed for Residential Furnace Applications
Engineered for Safe and Reliable Operation
The Lennox 10A33 two-stage gas valve regulates gas flow during ignition and heating cycles, ensuring proper combustion and consistent burner performance. The two-stage design allows the furnace to operate at a lower firing rate when full capacity is not required, improving comfort and reducing energy consumption.
Its compact body and 1/2" NPT connections allow straightforward installation in compatible Lennox furnace models. As an OEM component, it is factory-calibrated to match original system requirements — eliminating guesswork and ensuring proper fit and function.
When to Replace a Gas Valve
Common symptoms of a failing furnace gas valve may include:
• Furnace not igniting
• Intermittent heating
• Burner shuts off unexpectedly
• Gas flow or ignition fault codes
• No response to thermostat call for heat
Replacing a defective gas valve with a genuine Lennox 10A33 OEM part helps restore proper furnace operation and maintain system safety.
Why Choose OEM from Beenimax
At Beenimax, we supply genuine Lennox HVAC parts trusted by contractors and homeowners nationwide. Choosing an OEM gas valve ensures:
• Proper fit and compatibility
• Factory performance standards
• Safe and reliable operation
• Long-term durability
We work directly with authorized HVAC manufacturers to provide dependable parts, competitive pricing, and fast shipping.
Order the Lennox 10A33 Gas Valve Today
If you need a reliable two-stage natural gas valve for your Lennox furnace, the Lennox 10A33 (103181-04 / White Rodgers 36J55-256) is the correct OEM replacement solution.
Buy online from Beenimax and restore safe, efficient heating performance with confidence.