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Hotstart CSM10302-000 HOTflow Block Heater | 3kW 240V (100–120°F)

$1,787.00

3kW 240V HOTflow Generator Block Heater | Free Shipping

Reliable and energy-efficient, the Hotstart CSM10302-000 HOTflow heater is a pump-driven coolant preheater designed to keep large diesel and gas generators ready for cold starts. It circulates heated coolant throughout the engine for faster warm-up and consistent temperature control.

Key Features:

  • 3kW heating power for efficient engine warm-up

  • 240V single-phase operation (13.1 Amps, 60 Hz)

  • Pump-driven HOTflow design for full coolant circulation

  • Maintains 100–120°F (38–49°C) operating temperature

  • Reduces energy use by up to 55% vs. standard heaters

  • UL Listed, CE compliant, supports engines from 15L–100L

Lead times may vary due to manufacturer demand. Contact us to confirm availability or find alternatives.

Available on backorder

Hotstart HOTflow® CSM10302-000 Engine Heater For Sale in Oregon

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 reseller 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! These are big heaters, often made to order. Standard lead time is 3-4 weeks. If delivery time is important, message us before ordering.

Weight 44 lbs
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Hotstart Block Heaters for Generators & Coolant Heaters For Sale

Hotstart Thermal Management Logo Hotstart block heaters are designed to keep diesel and gas generators ready for cold starts and critical operation. Power Systems Plus supplies Hotstart engine block heaters, coolant heaters, and replacement parts, including pump-driven and thermosiphon models. Browse Hotstart heaters and Kim Hotstart replacements by model, or find the right heater, element, or thermostat for your system: TPS Thermosiphon | CL Weathertight Series | CB Weathertight | CTM HOTflow® | CSM HOTflow®| EVRHEAT Series 20 | Vertical Mount Caterpillar Replacements | Hotstart® Catalog | Generator Service in Portland, OR
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