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The genuine Eberspacher Flame / Overheat Sensor is designed for reliable flame detection and overheating protection in D9W and Hydronic 10 diesel heaters. Suitable for both 12V and 24V systems, this sensor ensures safe heater operation by monitoring combustion.
Part Numbers
251816010300
25.1816.01.0300
25.1816.01.03.00
25 1816 01 03 00
25 1816 01 0300
Heater Compatibility
D9W 12V - 251996050000
D9W Universal 12V - 251815050000
D9W 24V - 251816050000 (also 25 1997 A)
D9W 24V - 251997050000 (see 25 2044 05)
D10W Hydronic 12V - 252160050000
D10 12V Heater - 252081050000
D10W Alaska 24V- 252044050000
D10W 24V - 252161050000
Important: This sensor is not compatible with the newer Hydronic M2 series heaters.
Key Features
Genuine Eberspacher replacement part
Compatible with both 12V and 24V heater systems
Direct replacement for original factory-installed sensor