The Thermal Transfer Products B-401-A4-O Heat Exchanger is a high-quality component designed for HVAC and refrigeration systems. Manufactured in the United States by Thermal Transfer Products, this heat exchanger is known for its efficiency and durability. This product is specifically designed to effectively transfer heat in order to regulate temperature in various industrial and commercial settings, ensuring optimal performance and reliability. Ideal for businesses looking to maintain precise temperature control, this heat exchanger is a trusted choice for HVAC and refrigeration systems. Unit worked well when taken out of operation. Sold as is due to nature of the product. No reserve auction.