Whitfield PSC120A-3605 Pellet Stove Controller

The Whitfield PSC120A‑3605 is a pellet stove controller that manages fuel feed, ignition timing and safety interlocks in commercial heating units. Common failure modes for this class of controllers include power supply degradation (±12 V rail), communication link errors with the pellet hopper or flame sensor, and firmware corruption due to power interruptions. First‑check diagnostics should verify the 24 VAC/12 VDC input voltage, inspect all connector pins for corrosion or loose contacts, and review any stored error codes via the diagnostic port before proceeding to component replacement.[oss-gpt-20b]

Need your Whitfield repaired or tested?

We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

⚙️ Fast Diagnostics – Same-day evaluation available
🔁 Reliable Turnaround – Most jobs ship within 5–10 business days
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