{"product_id":"alpha-37-gallon-rv-holding-tank-54x17x11-231blank","title":"Alpha - 37 Gallon RV Holding Tank - 54\" x 17\" x 11\" - 231BLANK - 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 37 Gallon RV Holding Tank - 231BLANK\u003c\/h2\u003e\u003cp\u003eUpgrade your RV's waste management system with the Alpha 231BLANK, a premium 37-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 compact dimensions of 54\" x 17\" x 11\", this tank delivers excellent waste capacity while fitting tight RV compartments with limited width.\u003c\/p\u003e\u003ch2\u003eWhy Choose the Alpha 231BLANK Holding Tank?\u003c\/h2\u003e\u003ch3\u003eCompact Width Design for Tight Spaces\u003c\/h3\u003e\u003cp\u003eWith a narrow 17-inch width, the 231BLANK is ideal for RVs with limited lateral space while still providing 37 gallons of waste capacity. The taller 11-inch height maximizes volume without requiring extra width.\u003c\/p\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, movement, vibration, and temperature changes.\u003c\/p\u003e\u003ch3\u003eOEM Quality Standards\u003c\/h3\u003e\u003cp\u003eBuilt to original equipment manufacturer specifications, the 231BLANK meets strict health and safety standards and is individually leak-tested to ensure long-lasting performance. These are the same authentic OEM parts used in new RV builds.\u003c\/p\u003e\u003ch3\u003eProven Reliability for Full-Time RVers\u003c\/h3\u003e\u003cp\u003eWith a 4.8-star rating from 12 customer reviews, full-time RVers praise the 231BLANK for its durability, quality construction, and leak-free performance during extended stays.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 231BLANK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 37 gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 54\" Length x 17\" Width x 11\" 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)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 231BLANK\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\u003cli\u003e\n\u003cstrong\u003eCustomer Rating:\u003c\/strong\u003e 4.8\/5 stars (12 reviews)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompare Alpha Holding Tanks - Find Your Perfect Size\u003c\/h2\u003e\u003cp\u003eNot sure if the 231BLANK is the right fit? Compare it with other Alpha holding tanks in the 30-40 gallon range to find the perfect match for your RV's waste management needs and space constraints.\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\u003e231BLANK\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e37 gallons\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e54\" x 17\" x 11\"\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eCurrent Product - Compact width design\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;\"\u003eVB22548H\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e30 gallons\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e54\" x 21.5\" x 8\"\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eLower profile, wider\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003ca href=\"https:\/\/elkhartrvparts.com\/products\/alpha-30-gallons-black-holding-tank-54-x-21-1-2-x-8-vb22548h\" 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;\"\u003eVB32547HBLANK\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e39 gallons\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e54\" x 32\" x 7\"\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eCenter drain, wider\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003ca href=\"https:\/\/elkhartrvparts.com\/products\/alpha-39-gallon-rv-black-holding-tank-center-drain-54x32x7-vb32547hblank\" 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;\"\u003eVB24637HL\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e40 gallons\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e63\" x 25\" x 7\"\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eLongest tank, low profile\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003ca href=\"https:\/\/elkhartrvparts.com\/products\/alpha-40-gallon-rv-holding-tank-63x25x7-vb24637hl\" 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 The 231BLANK's narrow 17-inch width makes it perfect for RVs with tight lateral space constraints. If you have more width available, consider the VB32547HBLANK for slightly more capacity with a lower profile.\u003c\/p\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOne (1) Alpha 231BLANK 37 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 231BLANK is designed as a replacement for many OEM holding tanks with similar dimensions. Measure your existing tank compartment (54\" x 17\" x 11\") and verify drain location before ordering to ensure proper fitment. The narrow 17-inch width is ideal for tight spaces.\u003c\/p\u003e\u003ch3\u003eWhat's the difference between black water and gray water tanks?\u003c\/h3\u003e\u003cp\u003eWhile the 231BLANK is designed primarily for black water (toilet waste), Alpha holding tanks can be used for either black 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 231BLANK tank is individually submerged and 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\u003ch3\u003eWhy do customers rate this tank so highly?\u003c\/h3\u003e\u003cp\u003eWith a 4.8-star rating from 12 reviews, customers praise the 231BLANK for its durable construction, leak-free performance, and reliability during extended RV trips. Full-time RVers especially appreciate its quality and longevity.\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":46367887327384,"sku":"231BLANK","price":387.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0346\/2397\/9579\/files\/231BLANK_1.jpg?v=1742405288","url":"https:\/\/elkhartrvparts.com\/products\/alpha-37-gallon-rv-holding-tank-54x17x11-231blank","provider":"Elkhart RV Parts","version":"1.0","type":"link"}