Self-circulation Engine Water Heater, Black Preheater For nerator 500W 1000W 1500W 0.5KW 1KW 1.5KW 2KW ,Easy to Install

1. Made of plastic steel, the maintenance and replacement of spare parts is extremely simple; 2. Equipped with high-end precision processing heating tube, heating time is short 3. Insulation resistance: 10M 4. Electrical strength: 1500V/1min (normal) 5. Temperature control ran: 40-50