
D2 D4 12V 24V Parking General Diesel Truck Boat Air Heater. Dual Power Options: Available in 12V and 24V configurations for versatile vehicle compatibility. Two Power Models: Choose between D2 (2KW) and D4 (5KW) to match specific heating needs. Engine Protection: Eliminates cold start wear by warming the engine without starting it. Multi-Application Use: Suitable for diesel trucks, boats, warehouses, and workshops. Easy Installation: Designed for straightforward installation with independent fuel and circuit systems. Certified Quality: Meets RoHS, ISO, CE, and CCC safety and quality standards. Flexible Control: Supports both manual and automatic control modes for user convenience. 12-Month Warranty: Comprehensive 12-month warranty coverage for peace of mind.