Description
The Reznor 43594 flame sensor is designed to detect the presence of a flame in compatible Reznor gas‑fired HVAC heating equipment. By monitoring burner flame status, this sensor helps ensure safe and reliable system operation and supports proper ignition sequencing. Manufactured to OEM specifications, it is an essential replacement component for maintaining efficient and dependable performance of heating systems.
Key Features
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Flame sensor for gas‑fired HVAC heating systems
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OEM replacement for compatible Reznor equipment
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Detects burner flame to support safe combustion
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Helps ensure reliable ignition and system operation
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Durable construction for long‑lasting performance
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Ideal for repair, maintenance, or replacement applications







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