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and improved system protection
Direct Drive Design: Reduces mechanical complexity and increases reliability by eliminating belt-driven components
Built with high-quality components for durability and long-term use
When operating on a 8kHz carrier
this terminal end fitting ensures a dependable and efficient electrical connection
ST9120C4057 | Honeywell Furnace Control Circuit Board tier_B_31_60 and improved system protectionDescription The Honeywell ST9120C4057 is a furnace fan control circuit board designed for residential HVAC systems. It serves as the central control unit, managing essential functions such as blower operation, ignition sequencing, and safety monitoring by coordinating signals from various sensors and switches. Technical Specifications Condition New Never Used Surplus Brand Honeywell Category HVAC Components Part Number ST9120C4057 Subcategory Furnace
