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Core Features & Benefits
Eberspacher Hydronic Blower Motor for HS3 D4E, D5E, B5E heaters
Genuine Eberspacher / Espar blower motor designed for third generation Hydronic coolant heaters - Hydronic S3 CS 12V. This replacement combustion air blower motor ensures proper airflow, efficient fuel combustion, and reliable heater operation in Hydronic D4E, D5E, and B5E models.
Part Numbers
252971150000
25.2971.15.0000
25 2971 15 0000
25.2971.15.00.00
25 2971 15 00 00
Superseded / Old Part Numbers
252652160000
25.2652.16.0000
25.2652.16.00.00
25 2652 16 0000
25 2652 16 00 00
Fits the Following Heaters
Eberspacher Hydronic D4E 12V
Eberspacher Hydronic D5E 12V
Eberspacher Hydronic B5E 12V
Product Overview
The blower motor plays a critical role in the combustion process by delivering precise airflow into the burner chamber. A worn or failed blower motor can cause ignition faults, flame instability, or heater shutdown. Replacing it restores optimal combustion efficiency and heater performance.
Key Features
Genuine Eberspacher replacement part
Direct fit for third generation Hydronic D4E, D5E, and B5E heaters
Improves heater reliability and performance
Replaces older part number 252652160000
Supplied by an official Eberspacher North American dealer