Hotstart HOTflow® CSM10302-000 Engine Heater (Style A)

HOTflow® engine heaters feature an integrated pump that circulates warm coolant throughout the entire engine at uniform temperatures. Constant circulation of the coolant eliminates hotspots that can deteriorate heater hoses, harm engine seals and diminish coolant life. HOTflow® engine heaters rely on fewer heating cycles – saving up to 55% in energy consumption while extending heater element life and reducing maintenance work.

The Hotstart HOTflow® CSM10302-000 is a high-performance engine block heater designed for larger diesel and gas engines ranging from 15L to 100L displacement. Engineered for stationary generators and heavy equipment, this model provides continuous coolant circulation and consistent engine temperature, ensuring reliable starts in cold conditions while extending engine life.

Equipped with an integrated pump and a fixed thermostat (100°F–120°F / 38°C–49°C), the CSM10302-000 ensures even heat distribution throughout the engine. It helps eliminate hotspots that can damage hoses and seals, while also minimizing maintenance and energy costs. This unit is UL Listed, CE compliant, and built for long-term, energy-efficient performance.

Key Specifications:

• Model: CSM10302-000 (Style A)

• Voltage: 240 Volt, Single Phase

• Frequency: 60 Hz

• Power: 3kW heating capacity

• Current Draw: 13.1 Amps

• Thermostat: Fixed at 100–120°F (38–49°C)

Performance Features:

• Circulating heater with an integrated pump for even coolant heating

• Designed for larger engines between 15L and 100L displacement

• Prevents cold starts and reduces engine wear during low temperatures

• Maintains uniform engine block temperature for dependable starts

• Up to 55% energy savings compared to traditional heating systems

• Reduces heating cycles—extends the life of the heater element

• Helps preserve coolant integrity, hoses, and engine seals

• Ideal for standby generators, construction equipment, and industrial engines

• Built to operate in harsh climates and remote applications

• UL Listed & CE certified for safety and international compliance

Why Choose HOTflow® from Hotstart?

Hotstart’s HOTflow® series is engineered for reliability, energy efficiency, and long-term durability. Whether you’re running a generator for critical backup power or maintaining readiness in remote field operations, the HOTflow® CSM delivers the consistent heating performance your engine demands.

Order with Confidence from Power Systems Plus in Oregon

As a trusted distributor of Hotstart engine heaters, Power Systems Plus provides fast, knowledgeable support and expert guidance for industrial and commercial generator solutions. Order your CSM10302-000 engine heater from Power Systems Plus in Oregon!