Replacement Gas Valve

This OEM integrated replacement control board is specifically engineered for Lennox furnace systems operating on 24V power supply with hot surface ignition technology. The 24L8501 control board delivers reliable performance across a wide range of HVAC applications and operating conditions. The board operates with input voltage ranging from 18 to 30 VAC at 50/60 Hz, making it compatible with standard residential and light commercial furnace installations. It features a robust hot surface igniter with silicon-nitride construction that generates 80V AC ignition output at 2.0A for dependable startup performance. The board includes dedicated relay outputs for precise control of system components: an inducer relay rated at 2.2 FLA and 3.5 LRA at 120 VAC, a blower relay supporting up to 14.5 FLA and 25.0 LRA at 120 VAC for heating, cooling, and fan operations, and a gas valve relay rated at 1.5A at 25 VAC. Built to withstand demanding HVAC environments, this control board operates reliably between negative 40 Degrees F and 176 Degrees F with humidity tolerance from 5 to 95% RH non-condensing. The board integrates comprehensive system control and safety features designed to meet OEM specifications for Lennox furnace systems. This replacement control board is ideal for HVAC technicians and contractors performing maintenance, repairs, or system upgrades on compatible Lennox furnace models. It provides a direct OEM-compatible solution for restoring full system functionality when original control boards require replacement due to age, failure, or component degradation.