OEM Carrier Circuit Board HH680001 for Model UPFLOW175U6020A

This is the genuine OEM Carrier circuit board (part number HH680001), the factory-specified replacement control board for the Carrier UPFLOW175U6020A upflow gas furnace. The integrated furnace control (IFC) board is the central command unit of your heating system — it orchestrates sequencing for the inducer motor, ignition, gas valve, blower, and all safety circuits. When this board fails, you may experience symptoms including a complete no-heat lockout, erratic or incomplete ignition sequences, failure to advance through heating stages, or intermittent short-cycling with no clear fault code pattern. In many cases, all other components will check out good while the board itself is the root cause.

• Specs: Carrier OEM Part #HH680001 | Replaces legacy part numbers 58GA680087, P771-1003, 75598, and 58GA75598 | Factory-matched firmware and relay configuration for UPFLOW175U6020A
• OEM vs Generic: This is a genuine OEM Carrier board — not a third-party clone. Aftermarket control boards frequently suffer from relay tolerance issues, incorrect fault code logic, and incompatible firmware, all of which can cause repeat failures or unsafe operation. The OEM board ensures exact relay ratings, timing sequences, and diagnostic LED behavior as originally engineered.
• Install Difficulty: 4/5 — Control board replacement requires shutting off 120V power and gas supply. Label and photograph ALL wiring harness connections before disconnecting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, phone/camera for documentation. Strongly recommended for licensed HVAC technicians. Improper wiring can damage new board immediately.
• Warranty: 1-year OEM factory warranty against defects. Ships same business day from our stocked warehouse. Cross-reference your existing board's part number label before ordering to confirm revision match.

Compatibility: Designed as a direct OEM replacement for the Carrier UPFLOW175U6020A upflow gas furnace. Also replaces legacy cross-reference part numbers 58GA680087, P771-1003, 75598, and 58GA75598. Verify the part number printed on your existing board's label prior to ordering. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you buy — call or chat today. In stock and ships same business day.