Hotstart HOTflow® CSM10904-000 Engine Heater For Sale
The Hotstart HOTflow® CSM10904-000 is a 9kW, 480V single-phase engine heater designed to keep diesel generators and heavy-duty engines warm for faster, more reliable starts. Its Style B configuration uses an integrated union-style pump to circulate heated coolant evenly throughout the engine, helping eliminate hotspots and maintain consistent temperature.
This HOTflow® coolant heater is built for standby generators, industrial engines, and other critical power applications where dependable starting performance matters. By maintaining proper engine temperature, the CSM10904-000 helps reduce cold-start wear, improve efficiency, and support reliable operation in demanding environments.
The efficient circulation design can also reduce unnecessary heating cycles, helping extend heater life and lower energy use compared to conventional heating systems.
Free shipping available. Typical lead time is 2 to 4 weeks depending on manufacturer availability. Contact us for best pricing and availability.




