Exhaust Fan Motor – Harman 3-21-08639 | OEM Replacement | Durable Pellet Stove Combustion Blower Motor

Exhaust Fan Motor – Harman 3-21-08639 | OEM Replacement | Durable Pellet Stove Combustion Blower Motor

Upgrade the performance and efficiency of your Harman pellet stove with the OEM replacement combustion blower motor (Part #3-21-08639). This durable exhaust fan motor is engineered for both steel and cast iron Harman models and includes updated wiring connections for quick, secure installation. Designed for high-heat environments, it ensures dependable airflow and clean combustion. Note: Impeller sold separately to match specific stove requirements.

Key Features:

• Heavy-Duty OEM Motor – Built for long-lasting performance in high-temperature conditions
• Easy Plug & Play Installation – Compatible with existing Harman wiring and mounting hardware
• Multiple Impeller Options – Match the right impeller size for your specific Harman stove model
• Updated Design – Replaces older blower assemblies across Harman’s pellet stove lineup

Specifications:

• Part Number: 3-21-08639
• Motor Type: Combustion blower / exhaust fan motor
• Impeller: Not included (see compatible part numbers below)
• Wiring: Includes quick-connect terminals
• Mounting: Threaded post installation (nuts sold separately – Part #1-00-53483208 & HDW600)
• UPC: 652174686957
• OEM: Yes – Genuine Harman replacement part

Compatible Impeller Options:

• 5" Double Paddle Blade: Part #3-20-502221 – For P38, P43, P61A, P68, PB105, PF100, XXV, 44 MAG, Accentra 52i, DVC500, HF60
• 4¾" Single Paddle Blade: Part #3-21-00661 – For Accentra Insert & P35i
• 5" Single Paddle Blade: Part #3-20-40985 – For Accentra FS, Invincible T, PC45, PF100, Pellet Pro II

Compatible Harman Pellet Stoves & Inserts:

• Accentra (Insert, FS, 52i)
• P35i, P38, P43, P61, P61A, P68
• PC45, PP38+, PF100, PB105
• XXV (Anniversary & Standard), Advance
• DVC-500, HF60, BA100, BH60, BH105
• HydroFlex60, PF120
• Multiple hopper size variants – 20", 22", 24"

Why Choose the 3-21-08639 Exhaust Motor?

Keep your Harman pellet stove running smoothly with this genuine OEM replacement motor. Whether replacing a worn-out blower or upgrading during impeller service, this motor ensures consistent airflow, cleaner combustion, and long-term reliability.

Restore peak performance to your pellet stove with this trusted Harman OEM exhaust fan motor today.