{"product_id":"rheem-sp20866-anode-rod-warranty-extension-kit","title":"Rheem sp20866 Anode Rod Warranty Extension Kit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe RHEEM sp20866 is an OEM anode rod replacement and warranty extension kit designed to restore corrosion protection in compatible Rheem residential water heaters. The anode rod is the primary sacrificial element inside a storage-style water heater tank, attracting corrosive minerals that would otherwise attack the steel liner. Replacing it at the correct service interval is standard maintenance for any water heater tech. This kit also qualifies the tank for an additional four years of limited warranty coverage when installed per manufacturer guidelines and registered accordingly, making it a dual-purpose service item.\u003c\/p\u003e\n\u003cp\u003eThe sp20866 is intended for residential water heater applications where the original factory anode rod has been depleted or is approaching end of service life. It is sold as an OEM part sourced from Rheem Manufacturing Company, ensuring correct thread pitch, magnesium rod composition, and hex-head fitment for Rheem tank designs. This kit is appropriate for licensed plumbers and water heater service technicians performing scheduled maintenance or responding to early corrosion symptoms such as discolored water or sulfur odor.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eOEM anode rod kit from Rheem Manufacturing Company for verified fitment\u003c\/li\u003e\n  \u003cli\u003eExtends tank corrosion protection by replacing the sacrificial anode element\u003c\/li\u003e\n  \u003cli\u003eQualifies the water heater for an additional four years of limited warranty coverage when installed and registered per manufacturer guidelines\u003c\/li\u003e\n  \u003cli\u003eDesigned as a Pro Plus upgrade for residential Rheem storage-style water heaters\u003c\/li\u003e\n  \u003cli\u003eSupports long-term tank liner integrity and helps reduce sediment-related water quality issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement anode rod and warranty extension kit for compatible Rheem residential storage-type water heaters. Refer to the Rheem installation documentation included with the kit to confirm fitment for the specific tank model before installation.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eAnode rod replacement is typically performed by a licensed plumber or qualified water heater service technician. Before beginning, shut off the cold water supply and power or gas to the heater and allow the tank to cool. A socket wrench with the correct hex-head size is required to remove and reinstall the anode rod port plug. Follow all local plumbing codes and the manufacturer installation instructions included in the kit before submitting any warranty registration.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Type\u003c\/strong\u003e: Water Heater Parts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSub Type\u003c\/strong\u003e: Water Heater Extension Kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty Extension\u003c\/strong\u003e: 4 years additional limited coverage (upon qualifying installation and registration)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Length\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Width\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Height\u003c\/strong\u003e: 50 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 3 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Rheem Manufacturing Company\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: RHEEM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: sp20866\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RHEEM","offers":[{"title":"Default Title","offer_id":51620525932850,"sku":"SP20866","price":172.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/94fe8983d03e204c86962416137a5002.jpg?v=1787343710","url":"https:\/\/voomisupply.com\/products\/rheem-sp20866-anode-rod-warranty-extension-kit","provider":"Voomi Supply","version":"1.0","type":"link"}