
Factory Price Serpentine Tube Economizer for Boiler. Customized Material Options: Available in Carbon steel, Alloy steel, SUS, and other materials based on requirements. Energy Saving Efficiency: Reduces exhaust temperature and improves boiler efficiency by recovering waste heat. CE and ISO Certification: Product meets ISO9001 and ASME standards with CE certification for quality assurance. OEM and ODM Services: Full customization, minor customization, and flexible customization options available. 18 Months Warranty: Comprehensive warranty covering all spare parts excluding fragile components. Advanced Manufacturing Process: Includes submerged arc automatic welding, heat treatment, and 100% water pressure testing. Fast Delivery Time: Standard delivery within 30 days with flexible lead times for peak and off-peak seasons.