Product Overview The Raypak 017960F ProTek Shield Assembly is a genuine OEM replacement component designed to help protect the heat exchanger in compatible Raypak Digital Gas Pool and Spa Heaters. The ProTek Shield functions as a sacrificial corrosion-protection component, taking the brunt of corrosive activity that would otherwise affect critical heater components. As the shield gradually erodes during service, it helps extend the useful life of the heater's heat exchanger. Suitable for both chlorinated and saltwater pools, the ProTek Shield is compact, serviceable, and designed for straightforward replacement during routine heater maintenance. Key Features Genuine Raypak OEM ReplacementFactory-authorized replacement assembly manufactured for compatible Raypak pool and spa heaters. Heat Exchanger ProtectionDesigned to absorb corrosive activity and help reduce deterioration of the heater's heat exchanger. Sacrificial Protection DesignVisible erosion of the ProTek Shield is normal and indicates that the component is performing its intended protective function. Chlorine and Saltwater CompatibleDesigned for use in both traditionally chlorinated and saltwater swimming pool systems. Complete Replacement AssemblyProvides the ProTek Shield assembly required for servicing compatible Raypak heaters. Benefits Helps extend heat exchanger service life Genuine Raypak factory replacement part Reduces the effects of normal water-side corrosion Suitable for chlorinated and saltwater pools Compact and easy to service Ideal for preventive heater maintenance Helps protect one of the heater's most expensive components Compatible with multiple Raypak Digital heater sizes Specifications Specification Details Brand Raypak Product Line ProTek Shield Product Type ProTek Shield Assembly / Refill Kit Manufacturer Part Number / SKU 017960F UPC / Barcode 840891043928 BTU Application Up to 399,000 BTU Compatible Heater Series Select Raypak Digital Gas Pool & Spa Heaters Compatible Models 206A, 266A, 336A, 406A Pool Water Type Chlorinated / Saltwater Product Weight 1 lb Shipping Dimensions 8 x 6 x 6 in. Application Pool & Spa Heater Warranty Subject to Current Raypak Replacement-Part Warranty Terms Installation Information The ProTek Shield is designed as a serviceable heater component and should be inspected during routine heater maintenance. Turn off electrical power and gas to the heater before performing service. Allow the heater to cool completely before removing or replacing internal components. Inspect the existing ProTek Shield for erosion, deterioration, or damage and replace it as necessary. Installation and heater servicing should be performed by a qualified pool or gas-heater service professional. Confirm Before Ordering Confirm the heater model and existing part number before purchase. Raypak part 017960F is used with compatible Digital Gas Pool and Spa Heater models including: 206A 266A 336A 406A Although commonly marketed as the 399K BTU ProTek Shield Assembly, Raypak parts documentation lists the same 017960F assembly across multiple heater sizes from the 206A through the 406A. Always confirm compatibility using the heater model and serial number before ordering. Warranty Information Raypak identifies its genuine factory-authorized heater kits and accessories as warranted replacement components. Exact warranty coverage may depend on the original equipment, installation, application, purchase channel, and current Raypak warranty terms. Customer Q&A Q: What does the Raypak ProTek Shield do?It acts as a sacrificial component that absorbs corrosive activity to help protect the heater's heat exchanger. Q: Is the 017960F only for 399,000 BTU heaters?No. Raypak also lists this part for compatible 206A, 266A, and 336A Digital heaters in addition to the 399,000 BTU 406A. Q: Can it be used with a saltwater pool?Yes. Raypak identifies the ProTek Shield as suitable for both chlorinated and saltwater pools. Q: Is erosion of the shield normal?Yes. The shield is intended to take the effects of corrosion. Gradual erosion indicates that it is performing its protective function. Q: Is this a genuine Raypak replacement part?Yes. Part 017960F is a genuine Raypak ProTek Shield replacement assembly.