Tempstar 1172809 Two-Stage Furnace Control Board – OEM HK42FZ020 Replacement
The Tempstar 1172809 Two-Stage Control Board (Model HK42FZ020) is an OEM replacement designed to regulate safe and efficient operation in Tempstar two-stage gas furnaces. This board manages critical system functions including ignition timing, blower control, and dual-stage burner operation, helping to deliver optimal performance, comfort, and energy savings.
Perfect for systems that modulate heating output based on indoor demand, the 1172809 ensures consistent temperature control and supports smooth transitions between low and high fire stages. Its design allows for quick, direct replacement of failed or outdated boards in compatible Tempstar models.
Key Features:
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OEM control board for Tempstar two-stage gas furnaces
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Controls ignition sequence, blower motor timing, and stage transitions
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Helps maximize fuel efficiency and indoor comfort
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Plug-and-play design simplifies installation and setup
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Restores reliable performance in modern residential heating systems
Alternate Part Numbers:
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3420M097182
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CEPL130591-41-I
Whether you're troubleshooting a heating issue or performing a system upgrade, the 1172809 is a trusted replacement that ensures your Tempstar furnace continues operating at peak performance.
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