{"product_id":"alpha-30-gallon-rv-holding-tank-56x30x5-987blank","title":"Alpha - 30 Gallon RV Holding Tank - 56\" x 30\" x 5 1\/4\" - 987BLANK","description":"\u003cdiv style=\"background:#f3f4f6;border-left:4px solid #1d9bf0;padding:16px;margin-bottom:12px;\"\u003e\u003cstrong style=\"color:#1d9bf0;\"\u003e✓ ElkhartRVParts.com - The Only Authorized Place for Alpha Holding Tanks\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"background:#f3f4f6;border-left:4px solid #10b981;padding:16px;margin-bottom:24px;\"\u003e\u003cstrong style=\"color:#10b981;\"\u003e✓ 100% Verified Authentic OEM Grade Part\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eAlpha 30 Gallon RV Holding Tank (987BLANK)\u003c\/strong\u003e is the go-to solution for RV owners who need a reliable, leak-free waste management system. Built with rotational molded construction and certified to REC 559-1 quality standards, this tank delivers the same OEM-grade performance found in new RV builds — so you can hit the road with total confidence.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e30-Gallon Capacity\u003c\/strong\u003e — Generous holding volume ideal for extended trips and full-time RV living\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions: 56\" x 30\" x 5 1\/4\"\u003c\/strong\u003e — Low-profile design engineered for tight RV undercarriage installations\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRotational Molded Construction\u003c\/strong\u003e — Seamless one-piece tank eliminates weak seams and stress points for superior longevity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eREC 559-1 Certified\u003c\/strong\u003e — Meets all quality and health standards for RV waste management systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndividually Leak-Tested\u003c\/strong\u003e — Every tank is submerged and pressure-tested before shipping for guaranteed performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM-Grade Authentic Part\u003c\/strong\u003e — The same tank used by major RV manufacturers in new builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt for the RV Lifestyle\u003c\/strong\u003e — Engineered to withstand constant movement, vibration, and extreme temperature swings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the Alpha 987BLANK Holding Tank?\u003c\/h2\u003e\n\u003cp\u003eWhen your RV holding tank fails on the road, it's not just an inconvenience — it's a trip-ending problem. The \u003cstrong\u003eAlpha 30 gallon RV holding tank\u003c\/strong\u003e is engineered to eliminate that risk. Its seamless rotational molded body means there are no glued seams or welded joints that can crack under pressure or UV exposure.\u003c\/p\u003e\n\u003cp\u003eUnlike aftermarket alternatives, the 987BLANK is an authentic OEM-grade component used by major RV manufacturers. That means guaranteed fitment, proven durability, and peace of mind on every trip. Each unit is individually pressure-tested before it leaves the facility — so you know it's leak-free before it ever touches your rig.\u003c\/p\u003e\n\u003cp\u003eThe low-profile 5 1\/4\" height makes this \u003cstrong\u003e30 gallon holding tank\u003c\/strong\u003e an excellent choice for RVs with limited undercarriage clearance, while the 56\" x 30\" footprint provides maximum capacity without sacrificing installation flexibility.\u003c\/p\u003e\n\n\u003ch2\u003eCompare Alpha RV Holding Tanks\u003c\/h2\u003e\n\u003cp\u003eNot sure if the 987BLANK is the right fit? Compare it against other Alpha holding tanks by capacity and dimensions to find your perfect match.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background:#dc2626;color:#fff;\"\u003e\n        \u003cth style=\"padding:10px 12px;text-align:left;border:1px solid #e5e7eb;\"\u003eModel (Part #)\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px;text-align:left;border:1px solid #e5e7eb;\"\u003eCapacity\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px;text-align:left;border:1px solid #e5e7eb;\"\u003eDimensions (L x W x H)\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px;text-align:left;border:1px solid #e5e7eb;\"\u003eBest For\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px;text-align:left;border:1px solid #e5e7eb;\"\u003eView Details\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-left:3px solid #dc2626;background:#fef2f2;\"\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e\u003cstrong\u003e987BLANK\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e\u003cstrong\u003e30 Gallons\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e\u003cstrong\u003e56\" x 30\" x 5 1\/4\"\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003eLow-profile installs, wide footprint\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e\u003cstrong\u003eCurrent Product\u003c\/strong\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e207BLANK\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e32 Gallons\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e54.25\" x 28.25\" x 6.625\"\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003eSlightly more capacity, compact width\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e\u003ca href=\"\/products\/alpha-32-gallon-rv-holding-tank-207blank-oem-black-water\" style=\"color:#dc2626;font-weight:bold;\"\u003eView Details\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background:#f9fafb;\"\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e909BLANK\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e33 Gallons\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e54\" x 21 7\/8\" x 8 1\/2\"\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003eNarrow width, taller profile\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e\u003ca href=\"\/products\/alpha-33-gallons-holding-tank-54-x-21-7-8-x-8-1-2-909blank\" style=\"color:#dc2626;font-weight:bold;\"\u003eView Details\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e148BLANK\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e35 Gallons\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e54\" x 32\" x 7 1\/2\"\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003eMaximum capacity, wider footprint\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;border:1px solid #e5e7eb;\"\u003e\u003ca href=\"\/products\/alpha-35-gallons-holding-tank-54-x-32-x-7-1-2-148blank\" style=\"color:#dc2626;font-weight:bold;\"\u003eView Details\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#6b7280;margin-top:8px;\"\u003e\u003cem\u003eTip: When selecting a holding tank, always verify your RV's mounting dimensions and drain port location before ordering. Capacity and profile height are the two most critical fitment factors.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 987BLANK\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 30 Gallons\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 56\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 30\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 1\/4\" (5.25\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Rotational Molded (seamless one-piece)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e REC 559-1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrain Orientation:\u003c\/strong\u003e Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e RV black water \/ waste holding\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New OEM Grade\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1x Alpha 987BLANK 30 Gallon RV Holding Tank\u003c\/li\u003e\n  \u003cli\u003e30-Day Return Policy\u003c\/li\u003e\n  \u003cli\u003eIndividual leak-test certification (every unit tested before shipment)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Models \u0026amp; Alternatives\u003c\/h2\u003e\n\u003cp\u003eLooking for a different size or configuration? Browse the full \u003ca href=\"\/pages\/alpha-rv-holding-tanks\" style=\"color:#dc2626;\"\u003eAlpha RV Holding Tanks collection\u003c\/a\u003e to find the exact tank for your rig. You may also want to explore:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/alpha-32-gallon-rv-holding-tank-207blank-oem-black-water\" style=\"color:#dc2626;\"\u003eAlpha 32 Gallon Holding Tank - 207BLANK\u003c\/a\u003e — slightly more capacity in a similar footprint\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/alpha-33-gallons-holding-tank-54-x-21-7-8-x-8-1-2-909blank\" style=\"color:#dc2626;\"\u003eAlpha 33 Gallon Holding Tank - 909BLANK\u003c\/a\u003e — narrow-width option for tighter bays\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/alpha-35-gallons-holding-tank-54-x-32-x-7-1-2-148blank\" style=\"color:#dc2626;\"\u003eAlpha 35 Gallon Holding Tank - 148BLANK\u003c\/a\u003e — maximum capacity upgrade\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat RV models is the Alpha 987BLANK compatible with?\u003c\/h3\u003e\n\u003cp\u003eThe 987BLANK is an OEM-grade tank used across a wide range of RV manufacturers. Compatibility is determined by your RV's mounting bay dimensions (56\" x 30\" footprint, 5 1\/4\" max height) and drain port location. Always measure your existing tank or bay before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I know if this 30 gallon holding tank will fit my RV?\u003c\/h3\u003e\n\u003cp\u003eMeasure the length, width, and height of your current tank or mounting cavity. The 987BLANK requires a space of at least 56\" x 30\" x 5 1\/4\". If your bay is deeper, a taller tank from our lineup may also work.\u003c\/p\u003e\n\n\u003ch3\u003eIs the Alpha 987BLANK a black water or gray water tank?\u003c\/h3\u003e\n\u003cp\u003eThis tank is designed for RV waste (black water) holding applications, though it can be used for gray water as well. It meets REC 559-1 health and quality standards for both applications.\u003c\/p\u003e\n\n\u003ch3\u003eHow is the tank tested before shipping?\u003c\/h3\u003e\n\u003cp\u003eEvery Alpha holding tank is individually submerged and pressure-tested for leaks before it leaves the facility. You receive a tank that has been verified leak-free — not just batch-tested.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the lead time for the Alpha 987BLANK?\u003c\/h3\u003e\n\u003cp\u003eMost orders ship within 1-3 business days. Contact our team via the AI Live Chat on this page for real-time availability and estimated delivery to your location.\u003c\/p\u003e\n\n\u003ch3\u003eWhere can I buy an authentic Alpha 30 gallon RV holding tank?\u003c\/h3\u003e\n\u003cp\u003eElkhartRVParts.com is the only authorized online source for authentic Alpha holding tanks. Purchasing from unauthorized resellers risks receiving counterfeit or non-certified parts.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#f3f4f6;border-left:4px solid #dc2626;padding:16px;margin-top:24px;\"\u003e\n  \u003cstrong style=\"color:#dc2626;\"\u003eReady to order or have a fitment question?\u003c\/strong\u003e\u003cbr\u003e\n  Use our AI Live Chat for instant assistance with compatibility, dimensions, and installation guidance. Our RV parts specialists are standing by to help you find the right tank for your rig.\n\u003c\/div\u003e\n\n\u003ch2\u003eWhy Buy from Elkhart RV Parts?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAuthorized dealer for Alpha holding tanks — 100% authentic OEM-grade parts\u003c\/li\u003e\n  \u003cli\u003eEvery tank individually leak-tested and REC 559-1 certified\u003c\/li\u003e\n  \u003cli\u003e30-day return policy for peace of mind\u003c\/li\u003e\n  \u003cli\u003eExpert RV parts team available via AI Live Chat\u003c\/li\u003e\n  \u003cli\u003eFast shipping from our Elkhart, Indiana warehouse — the RV capital of the world\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Alpha","offers":[{"title":"Default Title","offer_id":46367886344344,"sku":"987BLANK","price":329.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0346\/2397\/9579\/files\/987RAW-1_1.jpg?v=1742405542","url":"https:\/\/elkhartrvparts.com\/products\/alpha-30-gallon-rv-holding-tank-56x30x5-987blank","provider":"Elkhart RV Parts","version":"1.0","type":"link"}