Vevor's heat exchanger is compact and lightweight, offering excellent thermal performance. Made with 316L stainless steel and 99% copper brazing for durability, it is perfect for solar heating, oil heat recovery, engine cooling, and condensation. It features a 1-1/4" MNPT interface with smooth threads for easy and convenient connection. This heat exchanger heats liquids with irregular plates, requiring no electricity or wood burning, providing hot water at low cost, making it cost-effective and practical.