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high-performance direct replacement for H481
it provides dependable operation in continuous-duty environments
Key Benefits High Amperage Rating: Supports up to 25 amps
Durable Construction: Built to withstand the constant vibration and temperature fluctuations common in industrial mechanical rooms
Prioritizing the structural integrity of the fan shroud is essential for long-term HVAC maintenance
Lennox 25W78 Insert 320074-702 high-performance direct replacement for H481The Lennox 25W78 NOx Insert is a critical combustion component engineered specifically for Lennox gas furnaces to reduce nitrogen oxide emissions. Designed for high efficiency heating systems, this OEM Lennox replacement part ensures that the burner assembly maintains optimal fuel to air ratios for a cleaner, more environmentally compliant burn. Constructed from heavy duty steel to withstand high temperature furnace environments, the 25W78 insert
