A Lennox 90W55 Ignition Wire/Spark Cable transfers ignition energy to ensure dependable startup within the heating and cooling unit.
The ignition wire/spark cable delivers the electrical spark from the ignition source to the burner assembly so the heating and cooling unit can ignite reliably during startup. Its 27-inch length and insulated construction matter because they support proper routing, consistent spark transfer and dependable performance in the HVAC system.
The ignition wire/spark cable may be failing if the unit shows ignition problems, delayed burner startup or intermittent heating performance during operation. You might notice physical signs such as cracks, brittleness or damaged insulation and environmental signs may include wear from heat exposure, vibration or moisture around the cable.
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