Description
The Armstrong R40403-003 Blower Control Fan Timer Board is a dependable replacement control module designed to regulate blower operation and timing in compatible Armstrong furnace systems. Engineered for accuracy and reliability, this board ensures proper fan sequencing, improved system safety, and consistent heating performance. Ideal for replacing malfunctioning or unresponsive control boards to restore smooth furnace operation.
Key Features
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Direct replacement Armstrong R40403-003 blower control fan timer board
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Controls blower timing and fan sequencing
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Helps maintain safe and efficient furnace operation
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Improves system response and airflow regulation
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Durable, long-lasting circuit board design
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Compatible with select Armstrong and Allied furnace models
