Room Temperature Sensor | Pellet Stove Thermostat Probe | Part #3-20-00906

Harman Room Temperature Sensor – Part 3-20-00906 – Standard Probe Length

Restore automatic “Room Temp” operation on your Harman pellet stove or insert with the genuine OEM Room Temperature Sensor (3-20-00906). This thermostat probe delivers precise room readings to the control board, enabling accurate heat regulation and efficient, hands-off performance on compatible non-touchscreen models.

Key Features:

• OEM Harman Replacement – Engineered for proper fit, accuracy, and reliable communication with Harman control boards
• Enables Room Temp / Auto Mode – Restores automatic temperature regulation for consistent comfort
• Built-In Diagnostics – Missing or faulty probe triggers a four-blink startup error to simplify troubleshooting
• Optional Extension – Extend reach with the 14-ft wire accessory (Part 3-20-674101, sold separately)

Specifications:

• Part Number: 3-20-00906
• Dimensions: Standard probe and lead (extension available)
• Shape: Probe with lead
• Glass Type / Material: Thermistor sensor assembly
• Heat Rating: Ambient room-air sensing (not a firebox component)
• Note: Extension wire (3-20-674101) sold separately

Compatible Models:

• Accentra (cast stove & insert, various hopper sizes)
• Accentra 52i (20", 22", 24")
• Accentra EVO (stove)
• Advance (stove)
• DVC-500 (Direct Vent Coal)
• Invincible RS
• P35i / P35i-C (insert)
• P43 / P43-c
• P61 / P61A / P61A-c
• P68 / P68-c
• PC45
• Super Magnum Stoker (coal)
• XXV (stove)
• XXV EVO

Bring back accurate, efficient, and automatic heat control with this genuine Harman 3-20-00906 probe. Enjoy steady comfort, reduced guesswork, and dependable performance.

Pairs well with: Pellet Parts