Product DescriptionRaypak ProTek Shield Assembly 399K BTU with MPN 017960F is a crucial component designed to protect the heat exchanger of Raypak digital gas pool and spa heaters. This module ensures longevity for your pool heater investment and enhances its efficiency. The ProTek Shield utilizes innovative technology to withstand corrosion and other forms of wear. By installing this shield, users can enjoy a longer lifespan and improved functionality of their pool heating systems.Recommended replacement annually.Excellent for use in chlorinated and saltwater pools.Engineered to absorb corrosion over time, indicating it is functioning correctly.Product HighlightsThis shield is compact and designed for easy installation, saving on time and costs while maintaining effective pool heating.Product InformationStandard InformationBrand: RaypakMPN: 017960FTechnical SpecificationsPower: 399K BTUMaterial: Durable compositeDesign: Compact for easy installationRecommended Usage: Chlorinated and saltwater poolsReplacement Frequency: AnnuallyCorrosion Resistance: Engineered to handle wear