Description
The Armstrong R42640-001 Ignitor/Sensor (Pilotless) is a reliable dual-function component designed to provide consistent ignition and accurate flame sensing in compatible Armstrong furnace systems. Engineered for fast heat-up, stable operation, and long service life, this ignitor/sensor helps prevent ignition failures, reduces furnace lockouts, and maintains safe burner performance. Ideal for replacing worn or malfunctioning ignition components in modern pilotless heating systems.
Key Features
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Direct replacement Armstrong R42640-001 ignitor/sensor
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Pilotless design for efficient modern ignition systems
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Provides reliable burner ignition and accurate flame detection
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Helps prevent furnace shutdowns and ignition lockouts
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Fast heat-up for consistent system performance
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Durable construction for long-term reliability
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Compatible with select Armstrong and Allied furnace models
