Hotstart CSM31204-000 Engine Block Heater – 480V 12kW 3 Phase Style B (100–120°F)

The Hotstart CSM31204-000 HOTflow® engine heater is designed for large diesel and industrial engines, providing reliable pre-heating and improved cold start performance. With an integrated circulation pump, this unit delivers consistent heat throughout the engine to reduce wear and maintain optimal operating conditions.

---

✅ Key Features

• Model: CSM31204-000
• Power: 12 kW
• Voltage: 480V
• Phase: 3 Phase
• Thermostat Range: 100–120°F
• Style: B
• Integrated pump for active coolant circulation
• Maintains uniform engine temperature
• Reduces cold start wear and downtime

---

⚙️ HOTflow® Technology

HOTflow® heaters actively circulate coolant throughout the engine, eliminating hotspots and improving efficiency compared to passive systems.

---

📦 Applications

• Standby and prime power generators
• Industrial diesel engines
• Heavy-duty equipment
• Marine systems

---

🚚 Shipping & Availability

• Typical lead time: 2–4 weeks depending on availability
• Ships within 2 business days once ready
• Message us to confirm current availability and delivery time

---

💬 Important Notes

• Please confirm compatibility before ordering
• Designed for commercial/industrial applications
• Message us with any questions