{"product_id":"martyr-cmn1z-zinc-hull-plate-anode-3-16x8-5-194-cmn1z","title":"Martyr CMN1Z Zinc Hull Plate Anode – 3.16\" x 8.5\" | Bolt-On | Saltwater","description":"\u003ch2\u003eMartyr CMN1Z Zinc Hull Plate Anode\u003c\/h2\u003e\n\u003cp\u003eA solid zinc hull plate anode designed for bolt-on installation directly to the hull, keel, or underwater running gear. The CMN1Z delivers reliable sacrificial protection against galvanic corrosion in saltwater environments, with a profile sized to provide meaningful protection mass on mid-size vessels between haulouts.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSteel, aluminum, and fiberglass hulls in saltwater\u003c\/li\u003e\n\u003cli\u003eKeel, hull plate, and flat underwater surface mounting\u003c\/li\u003e\n\u003cli\u003eMid-size inboard and inboard\/outboard vessels\u003c\/li\u003e\n\u003cli\u003eAny application requiring a 3.16\" × 8.5\" bolt-on zinc plate anode\u003c\/li\u003e\n\u003cli\u003eSuitable where standard teardrop or diver-style anodes are undersized for the vessel’s protection requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e CMN1Z\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 194-CMN1Z\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Military-grade zinc alloy (sacrificial)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3.16\" × 8.5\" (approx. 80mm × 216mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-on; hole dimension refers to the center-to-center distance between mounting holes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest For:\u003c\/strong\u003e Saltwater\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e ~1.18 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMounting Notes\u003c\/h3\u003e\n\u003cp\u003eThe hole dimension listed refers to the \u003cstrong\u003ecenter-to-center distance between mounting holes\u003c\/strong\u003e, not the overall anode length. Verify your hull’s existing bolt pattern against this measurement before ordering. Mount to a clean, bare metal or bonded surface for best electrical contact. Use stainless steel fasteners and ensure solid metal-to-metal contact with the hull or bonding system.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Hull Anodes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11062241067044\"\u003eMartyr CMMZC406 Zinc Hull Plate Anode – 4.4\" × 9\"\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11062239756324\"\u003eMartyr CMM25 Zinc Hull Anode – 9.08\" × 3.25\"\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11062240804900\"\u003eMartyr CMMZ404 Zinc Hull Anode – 8.8\" × 3.375\"\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11062240051236\"\u003eMartyr CMM30 Zinc Hull Anode – 6\" × 2.67\"\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11062240444452\"\u003eMartyr CMM40 Zinc Hull Anode – 7.3\" × 2.6\"\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11062238019620\"\u003eMartyr CMDIVERHZ Heavy Hull Plate Anode – Zinc 1\" × 6\" × 12\"\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11062238216228\"\u003eMartyr CMDIVERZ Zinc Diver’s Dream Hull Anode – ½\" × 6\" × 12\"\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11062237921316\"\u003eMartyr CMDIVERA Aluminum Hull Plate Anode – ½\" × 6\" × 12\" (saltwater \u0026amp; brackish)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003eThe CMN1Z is a purpose-sized hull plate anode for vessels that need more sacrificial mass than a teardrop or diver-style anode provides, but don’t require the full coverage of a large-format plate. The most common ordering mistake with hull plate anodes is selecting by overall dimensions without confirming the bolt hole spacing — always verify the center-to-center hole measurement matches your hull’s existing pattern before ordering.\u003c\/p\u003e\n\u003cp\u003eFor vessels operating in brackish or mixed-salinity water, an aluminum hull anode is a better choice than zinc — zinc can passivate in lower-salinity conditions and lose effectiveness. See the \u003ca href=\"\/products\/11062237921316\"\u003eCMDIVERA aluminum hull anode\u003c\/a\u003e for a brackish-water alternative.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":50999089561636,"sku":"194-CMN1Z","price":34.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/194-CMN1Z.jpg?v=1782799288","url":"https:\/\/marisolmarine.com\/products\/martyr-cmn1z-zinc-hull-plate-anode-3-16x8-5-194-cmn1z","provider":"Marisol Marine Company","version":"1.0","type":"link"}