Lennox 41K37 Gas Valve 1/2" IP Dual Intermittent Pilot VR8204H8019

The Lennox 41K37 is an OEM replacement gas valve designed for Lennox, Armstrong, Allied, Concord, and Ducane furnaces. This Honeywell-manufactured VR8204H8019 model features a dual intermittent pilot ignition system and slow-opening characteristics for safe, reliable furnace operation.

Key Specifications:

• Manufacturer: Honeywell (OEM for Lennox)
• Model: VR8204H8019
• Connection Size: 1/2" IP (Iron Pipe) inlet and outlet
• Ignition Type: Dual Intermittent Pilot
• Application: Single Stage
• Gas Type: Natural Gas or LP (conversion kit NOT included)
• Opening Characteristics: Slow opening for smooth ignition
• Maximum Capacity: 150,000 BTU/hr at 1" pressure drop
• Coil Voltage: 24 VAC, 60 Hz
• Amperage: 0.56A

Pressure Specifications:

• Factory Set Pressure: 3.5" W.C. (Natural Gas)
• Adjustable Range: 3.0-5.0" W.C. (Natural Gas)
• Maximum Pressure Rating: 1/2 PSI
• Pilot Gas Outlet: Compression fitting for 1/4" OD tubing
• Pressure Tap Size: 1/8" NPT with plug

Operating Parameters:

• Temperature Range: 0°F to 175°F (-18°C to 79°C)
• Electrical Connection: 1/4" quick-connect male terminals

Replaces OEM Part Numbers:

• Lennox: 93J51, 58K73, 25J32, 93J5101, 58K7301, 41K3701, 25J3201
• Allied, Armstrong, Concord, Ducane: 93J51, 58K73, 98J51, 93J5101, 58K7301, 41K3701
• Other Numbers: 1240D4C6, 3445436, 121016, 394606 Rev. U, 1305D1C10V, 38187740

This genuine OEM gas valve ensures proper gas flow control and pressure regulation for safe, efficient furnace operation. The dual automatic valve design provides redundant safety shutoff, with a solenoid-operated first valve that opens on thermostat call for heat and a diaphragm-operated second valve controlled by the pressure regulator.