OEM Carrier Circuit Control Board HH680001 for Model UPFLOW175U6019X

This is the genuine OEM Carrier circuit control board (part number HH680001), the factory-specified replacement for the Carrier UPFLOW175U6019X upflow furnace. The integrated furnace control (IFC) board is the nerve center of your heating system — it orchestrates the ignition sequence, monitors safety switches, drives the inducer and blower motors, and controls gas valve staging. When this board fails, you may experience a complete no-heat condition, repeated ignition lockouts, erratic blower behavior, or diagnostic fault codes that cannot be cleared. Always confirm the board is at fault before replacing it, as pressure switches, flame sensors, and limit switches can produce similar symptom profiles.

• Part Number: HH680001 | Also replaces: 58GA680087, P771-1003, 75598, 58GA75598 | Genuine Carrier OEM replacement
• OEM vs Generic: This is a factory-original board — not an aftermarket clone. OEM boards retain exact microcontroller firmware, relay ratings, and terminal layout, eliminating compatibility guesswork and ensuring diagnostic fault codes behave as designed.
• Install Difficulty: 4/5 — Disconnect power and gas before beginning. Photograph all wiring harness connections before removal. Tools needed: nut driver set, needle-nose pliers, multimeter for pre/post voltage verification. Recommend a qualified HVAC technician for this repair.
• Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Designed as the direct factory replacement for the Carrier UPFLOW175U6019X upflow gas furnace. Cross-references OEM part numbers 58GA680087, P771-1003, 75598, and 58GA75598 — verify your existing board's part number against the data label before ordering. Questions about fitment? Our parts team verifies compatibility before you buy. Order today and ship today.