{"product_id":"alpha-45-gallon-rv-holding-tank-53x29x9-5-221blank","title":"Alpha - 45 Gallon RV Holding Tank - 53\" x 29\" x 9.5\" - 221BLANK - OEM Grade Black Water Tank","description":"\u003cdiv style=\"padding: 12px 16px; margin-bottom: 16px; background-color: #f3f4f6; border-left: 4px solid #1d9bf0;\"\u003e\u003cp style=\"margin: 0; color: #1d9bf0; font-weight: bold;\"\u003e\u003cstrong\u003e✓ ElkhartRVParts.com - The Only Authorized Place for Alpha\u003c\/strong\u003e\u003c\/p\u003e\u003c\/div\u003e\u003cdiv style=\"padding: 12px 16px; margin-bottom: 20px; background-color: #f3f4f6; border-left: 4px solid #10b981;\"\u003e\u003cp style=\"margin: 0; color: #10b981; font-weight: bold;\"\u003e\u003cstrong\u003e✓ 100% Verified Authentic OEM Grade Part\u003c\/strong\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eAlpha 45 Gallon RV Holding Tank - 221BLANK\u003c\/h2\u003e\u003cp\u003eUpgrade your RV's waste management system with the Alpha 221BLANK, a premium 45-gallon holding tank engineered to meet or exceed OEM standards. This rotational molded tank features seamless one-piece construction, superior durability, and leak-tested reliability. With dimensions of 53\" x 29\" x 9.5\", this tank delivers maximum waste capacity for extended adventures while fitting standard RV compartments.\u003c\/p\u003e\u003ch2\u003eWhy Choose the Alpha 221BLANK Holding Tank?\u003c\/h2\u003e\u003ch3\u003eRotational Molded One-Piece Construction\u003c\/h3\u003e\u003cp\u003eEngineered without seams, joints, or weak points, this rotational molded tank delivers superior strength and leak-proof reliability that withstands the rigors of RV travel.\u003c\/p\u003e\u003ch3\u003eLarge 45 Gallon Capacity for Extended Trips\u003c\/h3\u003e\u003cp\u003eWith 45 gallons of waste capacity, this tank provides ample storage for extended boondocking, dry camping, or long road trips without frequent dump station visits.\u003c\/p\u003e\u003ch3\u003eOEM Quality Standards\u003c\/h3\u003e\u003cp\u003eBuilt to original equipment manufacturer specifications, the 221BLANK meets strict health and safety standards and is individually leak-tested to ensure long-lasting performance.\u003c\/p\u003e\u003ch3\u003eDurable Polyethylene Resists Damage\u003c\/h3\u003e\u003cp\u003eConstructed from high-quality polyethylene, this tank resists corrosion, cracking, and damage from temperature changes, movement, and vibration.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 221BLANK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 45 gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 53\" Length x 29\" Width x 9.5\" Height\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Rotational molded polyethylene\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Seamless one-piece design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Type:\u003c\/strong\u003e Holding tank (black water\/gray water)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 130 lbs (shipping weight)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 221BLANK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Alpha Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality:\u003c\/strong\u003e OEM Grade, individually leak-tested\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompare Alpha Holding Tanks - Find Your Perfect Size\u003c\/h2\u003e\u003cp\u003eNot sure if the 221BLANK is the right fit? Compare it with other Alpha holding tanks in the 32-45 gallon range to find the perfect match for your RV's waste management needs.\u003c\/p\u003e\u003cdiv style=\"overflow-x: auto; margin: 20px 0;\"\u003e\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #e5e7eb;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color: #dc2626; color: white;\"\u003e\n\u003cth style=\"padding: 12px; text-align: left; border: 1px solid #e5e7eb;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border: 1px solid #e5e7eb;\"\u003eCapacity\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border: 1px solid #e5e7eb;\"\u003eDimensions (L x W x H)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border: 1px solid #e5e7eb;\"\u003eBest For\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border: 1px solid #e5e7eb;\"\u003eView Details\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #fef2f2; border-left: 3px solid #dc2626;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003e221BLANK\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e45 gallons\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e53\" x 29\" x 9.5\"\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eCurrent Product - Maximum capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eYou're here!\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eVR345175HBLANK\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e45 gallons\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e51\" x 34\" x 7.875\"\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eSame capacity, right drain\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003ca href=\"https:\/\/elkhartrvparts.com\/products\/alpha-vr345175hblank-45-gallon-holding-tank-51x34x7-875-oem-grade\" style=\"color: #dc2626; font-weight: bold;\"\u003eView →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e148BLANK\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e35 gallons\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e54\" x 32\" x 7.5\"\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eSlightly less capacity\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003ca href=\"https:\/\/elkhartrvparts.com\/products\/alpha-35-gallons-holding-tank-54-x-32-x-7-1-2-148blank\" style=\"color: #dc2626; font-weight: bold;\"\u003eView →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e207BLANK\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e32 gallons\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e54.25\" x 28.25\" x 6.625\"\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eCompact option\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003ca href=\"https:\/\/elkhartrvparts.com\/products\/alpha-32-gallon-rv-holding-tank-207blank-oem-black-water\" style=\"color: #dc2626; font-weight: bold;\"\u003eView →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"margin-top: 16px; font-size: 14px; color: #6b7280;\"\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Measure your existing tank compartment carefully before ordering. Consider both the tank dimensions and drain location to ensure proper fitment.\u003c\/p\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOne (1) Alpha 221BLANK 45 Gallon Holding Tank\u003c\/li\u003e\n\u003cli\u003eOEM Grade Quality Certification\u003c\/li\u003e\n\u003cli\u003eIndividual Leak Test Verification\u003c\/li\u003e\n\u003cli\u003eManufacturer Documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWill this tank fit my RV?\u003c\/h3\u003e\u003cp\u003eThe 221BLANK is designed as a replacement for many OEM holding tanks with similar dimensions. Measure your existing tank compartment (53\" x 29\" x 9.5\") and verify drain location before ordering to ensure proper fitment.\u003c\/p\u003e\u003ch3\u003eWhat's the difference between black water and gray water tanks?\u003c\/h3\u003e\u003cp\u003eThe 221BLANK can be used for either black water (toilet waste) or gray water (sink\/shower drainage). The tank construction is identical - the designation depends on how it's plumbed in your RV system.\u003c\/p\u003e\u003ch3\u003eHow long will this tank last?\u003c\/h3\u003e\u003cp\u003eWith proper care and maintenance, Alpha holding tanks are built to last for many years, often outlasting the RV itself. The seamless rotational molded construction eliminates common failure points found in welded or multi-piece tanks.\u003c\/p\u003e\u003ch3\u003eIs this tank leak-tested?\u003c\/h3\u003e\u003cp\u003eYes, every Alpha 221BLANK tank is individually leak-tested at the factory to ensure quality and reliability before shipping.\u003c\/p\u003e\u003ch3\u003eCan I install this tank myself?\u003c\/h3\u003e\u003cp\u003eWhile experienced RVers can install holding tanks, we recommend professional installation to ensure proper mounting, plumbing connections, and vent configuration for optimal performance and safety.\u003c\/p\u003e\u003ch2\u003eWhy Buy from Elkhart RV Parts?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e100% Authentic OEM Parts\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFast Shipping\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e30-Day Return Policy\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAuthorized Alpha Dealer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eExpert Customer Support\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv style=\"padding: 20px; margin: 30px 0; background-color: #f3f4f6; border-left: 4px solid #dc2626; text-align: center;\"\u003e\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eQuestions? Use our AI Live Chat for expert guidance!\u003c\/strong\u003e\u003c\/p\u003e\u003c\/div\u003e","brand":"Alpha","offers":[{"title":"Default Title","offer_id":46367888310424,"sku":"221BLANK","price":478.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0346\/2397\/9579\/files\/221RAW_1.jpg?v=1742405120","url":"https:\/\/elkhartrvparts.com\/products\/alpha-45-gallon-rv-holding-tank-53x29x9-5-221blank","provider":"Elkhart RV Parts","version":"1.0","type":"link"}