{"product_id":"cmppooldefenderinlinezincanode25810400050cmp25810400050","title":"CMP Pool Defender Inline Zinc Anode | 25810-400-050","description":"\u003cp\u003e  \u003c\/p\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe CMP Pool Defender Inline Zinc Anode 25810-400-050 is a compact sacrificial zinc anode and water bonding device designed to help protect pool equipment from galvanic corrosion and electrolysis.\u003c\/strong\u003e Installed inline with the pool plumbing and connected to the pool bonding wire, this device gives corrosive electrical current a preferred path to attack the replaceable zinc anode instead of valuable metal pool components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis compact Pool Defender model is especially useful for saltwater pools, where salt chlorine generators can increase the risk of corrosion to heaters, pumps, lights, ladders, rails, and other metal equipment.\u003c\/strong\u003e The clear, removable lid allows easy inspection and replacement of the zinc anode when it becomes depleted.\u003c\/p\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThis inline zinc anode is ideal for pool builders, service technicians, repair professionals, and pool owners looking to add corrosion protection and water bonding to compatible pool systems.\u003c\/strong\u003e It is commonly used on saltwater pools, new pool builds, equipment pad upgrades, and systems with heaters or other metal components that need added protection.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003eCompact Inline Sacrificial Zinc Anode\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned to install directly into the pool plumbing line to help protect metal components from galvanic corrosion.\u003c\/strong\u003e The zinc anode acts as the sacrificial component, corroding before more expensive pool equipment is affected.\u003c\/p\u003e\n\u003ch3\u003eHelps Protect Saltwater Pool Equipment\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA recommended corrosion-protection accessory for salt chlorine generator systems.\u003c\/strong\u003e Saltwater environments can increase electrolysis and corrosion risk, making sacrificial zinc protection especially valuable.\u003c\/p\u003e\n\u003ch3\u003e2\" or 2-1\/2\" Slip Plumbing Compatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned for slip plumbing installations and commonly listed for 2\" or 2-1\/2\" plumbing configurations.\u003c\/strong\u003e Always confirm plumbing size and installation location before purchase.\u003c\/p\u003e\n\u003ch3\u003eClear Removable Lid\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThe clear lid allows visual inspection of the zinc anode without disassembling the full plumbing setup.\u003c\/strong\u003e The removable lid design also allows the anode to be replaced once depleted.\u003c\/p\u003e\n\u003ch3\u003eIncludes Copper Ground Wire\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThe kit includes 4 feet of solid copper ground wire for connection to the pool bonding system.\u003c\/strong\u003e Proper bonding is required for safe and effective installation.\u003c\/p\u003e\n\u003ch3\u003eWater Bonding Device\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThe Compact Pool Defender is commonly listed as meeting NEC2008 680.26(C) standards as a water bonding device.\u003c\/strong\u003e It is also listed as complying with UL-1081, UL-1563, and CSA C22.2-218.1 standards.\u003c\/p\u003e\n\u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe CMP 25810-400-050 Pool Defender helps protect expensive pool components from corrosion caused by stray electrical current and galvanic activity.\u003c\/strong\u003e By sacrificing the zinc anode instead of metal pool parts, it can help extend the service life of heaters, pumps, light fixtures, rails, ladders, and salt system components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe compact inline design makes it practical for tight equipment pads, while the clear removable lid makes maintenance easier.\u003c\/strong\u003e For best results, inspect the zinc regularly and replace the zinc element once it is significantly depleted.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eInline Sacrificial Zinc Anode \/ Water Bond\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eCMP \/ Custom Molded Products\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003ePool Defender\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ Part Number\u003c\/td\u003e\n\u003ctd\u003e25810-400-050\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e25810-400-050\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC \/ Barcode\u003c\/td\u003e\n\u003ctd\u003e849640025246\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlumbing Compatibility\u003c\/td\u003e\n\u003ctd\u003e2\" or 2-1\/2\" slip plumbing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eGalvanic corrosion protection and water bonding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePool Type\u003c\/td\u003e\n\u003ctd\u003eIn-ground and compatible pool plumbing systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Use\u003c\/td\u003e\n\u003ctd\u003eSaltwater pools, pools with heaters, metal components, or bonding requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Components\u003c\/td\u003e\n\u003ctd\u003eCompact inline anode housing, sacrificial zinc anode, clear removable lid, 4 ft solid copper ground wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApproximate Zinc Life\u003c\/td\u003e\n\u003ctd\u003eCommonly listed as approximately 3 years, depending on water chemistry and pool conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards \/ Certifications\u003c\/td\u003e\n\u003ctd\u003eCommonly listed as NEC2008 680.26(C), UL-1081, UL-1563, CSA C22.2-218.1 compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eInline plumbing and bonding wire connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Condition\u003c\/td\u003e\n\u003ctd\u003eNew Replacement Part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eCustomer-Facing Q\u0026amp;A\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the CMP Pool Defender Inline Zinc Anode do?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It helps protect metal pool equipment from galvanic corrosion and electrolysis by using a replaceable zinc anode as the sacrificial component.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this good for saltwater pools?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. This is commonly recommended for saltwater pools because salt chlorine systems can increase corrosion risk to metal pool parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What plumbing size does this fit?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is commonly listed for \u003cstrong\u003e2\" or 2-1\/2\" slip plumbing\u003c\/strong\u003e. Confirm your plumbing size before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this connect to the pool bonding wire?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. The inline anode connects to the pool bonding system and includes 4 feet of solid copper ground wire.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know when to replace the zinc anode?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The clear removable lid allows visual inspection. Replace the zinc when it is significantly depleted, commonly around half-eroded or according to manufacturer\/service recommendations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How long does the zinc anode last?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is commonly listed as lasting approximately 3 years, but actual life depends on water chemistry, salt level, electrical conditions, and pool usage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this replace proper pool bonding?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. It must be installed as part of a properly bonded pool system according to applicable electrical codes and manufacturer instructions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should this be installed by a professional?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Professional installation is recommended because this part involves both pool plumbing and bonding-system connection.\u003c\/p\u003e","brand":"CMP","offers":[{"title":"Default Title","offer_id":52762928021814,"sku":"CMP25810400050 -H","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/CMP25810400050_0.jpg?v=1755536547","url":"https:\/\/poolsupplydepot.net\/products\/cmppooldefenderinlinezincanode25810400050cmp25810400050","provider":"Pool Supply Depot","version":"1.0","type":"link"}