Eberspacher D9W or Hydronic 10 flame sensor | 251816010300

Keep your Eberspacher heating system operating safely and reliably with the genuine D9W/Hydronic 10 flame sensor (251816010300). This replacement sensor ensures accurate flame detection and consistent ignition across 12V and 24V configurations, supporting both D9W and Hydronic 10 water heaters. Built to the exacting standards of Eberspacher, it delivers durable performance in demanding environments, helping prevent hard starts, flame-outs, and unnecessary downtime. Ideal for routine maintenance or when diagnosing ignition issues, this sensor works with a range of compatible heater models to maintain optimal efficiency and heater lifespan. Benefit from peace of mind with genuine parts engineered for precise sensing, fast startup, and dependable operation wherever your hydronic or air heater is installed.