Espar / Eberspacher Fuel pump 12v for Hydronic Heaters
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Core Features & Benefits
Genuine Espar / Eberspacher fuel dosing pump (fuel metering pump) 12V designed for precise diesel fuel delivery in Hydronic water heater systems. This pump ensures accurate fuel dosing, stable combustion, and reliable heater performance across a wide range of Eberspacher heater models.
Part Numbers and References
- 224517080000
- 22.4517.08.0000
- 22 45 1708 0000
- 22.4517.04.0000
- 22 45 1704 0000
Application
This fuel metering (dosing) pump delivers controlled pulses of diesel fuel from the tank to the heater. Accurate fuel delivery is essential for proper combustion, efficient heat output, and reliable heater operation.
Compatibility
- Compatible with Eberspacher Hydronic water heater systems (12V)
- Suitable for B4, B5, D4, and D5 Hydronic heater models
- Used across multiple Hydronic and Hydronic 2 heater generations
Suitable Heater Models
- Hydronic B4WS / B4WSC 12V
- Hydronic B5WS / B5WSC / B5WZ 12V
- Hydronic D4WS / D5WS 12V
- Hydronic 2 Economy B4S / B5S 12V
- Hydronic 2 Commercial D4S / D5S 12V
- Hydronic 2 Comfort B5SC 12V
- Hydronic 2-H D5Z-H 12V
Genuine Product Guarantee
- Original Espar / Eberspacher OEM fuel metering pump
- Supplied by an authorised Eberspacher North American dealer
- Manufactured to factory specifications
- Ensures correct fuel metering and heater performance
Specifications
- Voltage: 12V
- Fuel type: Diesel
- Application: Fuel metering pump
- Heater type: Hydronic water heaters
- Condition: New
Key Features
- Precise diesel fuel dosing for efficient combustion
- Supports reliable heater starting and operation
- Compatible with a wide range of Hydronic heater models
- Direct replacement for original equipment
- Also referred to as a fuel dosing pump
Common Symptoms of a Faulty Fuel Pump
- Heater fails to start or shuts down during operation
- No fuel delivery to the heater unit
- Intermittent heater performance or flame-outs
- Poor heating output or inconsistent coolant temperature
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