Description
The Armstrong R40663-002 Ignitor/Sensor (Q3300) is a dependable combination ignition and flame-sensing component designed to ensure consistent burner lighting and safe operation in compatible Armstrong furnace systems. Built for durability and fast response, this dual-function part supports reliable ignition, accurate flame detection, and helps prevent furnace lockouts. Ideal for restoring proper heating performance and system safety.
Key Features
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Direct replacement Armstrong R40663-002 ignitor/sensor (Q3300)
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Combines ignition and flame-sensing functions
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Provides reliable burner lighting and detection
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Helps prevent ignition failures and furnace shutdowns
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Durable construction for long service life
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Compatible with select Armstrong furnace models
