{"product_id":"alpha-939blank-50-gallon-holding-tank-64x32x8-oem-grade","title":"Alpha - 50 Gallon RV Holding Tank - Right Drain - 64\" x 32\" x 8\" - 939BLANK - OEM Grade Black Water Tank","description":"\u003cdiv style=\"background-color: #f3f4f6; border-left: 4px solid #1d9bf0; padding: 15px; margin-bottom: 20px;\"\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=\"background-color: #f3f4f6; border-left: 4px solid #10b981; padding: 15px; margin-bottom: 20px;\"\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 939BLANK RV Holding Tank - 50 Gallon Right Drain Black Water Storage\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eAlpha 939BLANK holding tank\u003c\/strong\u003e delivers reliable 50-gallon black water storage capacity with \u003cstrong\u003eright-side drain orientation\u003c\/strong\u003e and OEM-grade rotational molded construction. This 64\" x 32\" x 8\" holding tank features seamless one-piece design, leak-tested quality assurance, and right drain configuration for RVs with right-side plumbing layouts.\u003c\/p\u003e\u003ch2\u003eWhy Choose the Alpha 939BLANK Holding Tank?\u003c\/h2\u003e\u003cp\u003eAlpha's 939BLANK holding tank solves the challenge of replacing worn or damaged RV waste tanks with authentic OEM-quality construction. The \u003cstrong\u003e50-gallon capacity\u003c\/strong\u003e provides ample black water storage for extended trips, while the \u003cstrong\u003erotational molded seamless design\u003c\/strong\u003e eliminates weak points and potential leak areas found in welded tanks.\u003c\/p\u003e\u003cp\u003eAt 64\" long, 32\" wide, and 8\" tall, this holding tank fits a wide range of RV basement storage configurations. The \u003cstrong\u003eright drain orientation\u003c\/strong\u003e is designed for RVs where the plumbing connections are positioned on the right side of the tank compartment.\u003c\/p\u003e\u003ch2\u003eKey Features and Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 50 gallons black water storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 64\" length x 32\" width x 8\" height\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrain Orientation:\u003c\/strong\u003e Right Drain (RH)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Blank (no pre-installed fittings)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Rotational molded seamless one-piece design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-density polyethylene (HDPE)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 98.7 lbs (empty)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 939BLANK (SKU: 939001-RH)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Alpha\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Testing:\u003c\/strong\u003e 100% leak-tested before shipping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e OEM quality - same tanks used in new RV builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For These Applications\u003c\/h2\u003e\u003cp\u003eThe 64\" x 32\" x 8\" size with 50-gallon capacity and right drain makes the 939BLANK ideal for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTravel trailer black water tank replacement with right-side plumbing\u003c\/li\u003e\n\u003cli\u003eClass A motorhome waste tank upgrades\u003c\/li\u003e\n\u003cli\u003eFifth wheel holding tank repairs\u003c\/li\u003e\n\u003cli\u003eRVs with right-side drain outlet configurations\u003c\/li\u003e\n\u003cli\u003eRV restoration projects matching original right drain layout\u003c\/li\u003e\n\u003cli\u003eReplacement for damaged or leaking right drain holding tanks\u003c\/li\u003e\n\u003cli\u003eApplications requiring right-side plumbing connections\u003c\/li\u003e\n\u003cli\u003eExtended trip RVs needing reliable 50-gallon waste storage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRight Drain Orientation - What It Means\u003c\/h2\u003e\u003cp\u003eThe 939BLANK features \u003cstrong\u003eright drain orientation (RH)\u003c\/strong\u003e, which means the drain outlet is positioned on the right side of the tank when viewing from the front. This is critical for proper installation:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEnsures drain outlet aligns with your RV's existing plumbing\u003c\/li\u003e\n\u003cli\u003eMatches factory configurations for right-side drain systems\u003c\/li\u003e\n\u003cli\u003eEliminates need for custom plumbing modifications\u003c\/li\u003e\n\u003cli\u003eProvides proper flow and drainage performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Verify your RV's drain orientation before ordering. If your RV has left-side plumbing, you'll need a left drain (HL) tank instead.\u003c\/p\u003e\u003ch2\u003eCompare Similar Alpha Holding Tanks\u003c\/h2\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;\"\u003eDrain Side\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border: 1px solid #e5e7eb;\"\u003ePart Number\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: 4px solid #dc2626;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003e939BLANK\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e50 Gallons\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e64\" x 32\" x 8\"\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eRight Drain\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e939001-RH\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eRight-side plumbing systems\u003c\/td\u003e\n\u003ctd style=\"padding: 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: 12px; border: 1px solid #e5e7eb;\"\u003e940BLANK\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e50 Gallons\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e64\" x 32\" x 8\"\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eCheck specs\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e940001CD\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eAlternative 50-gal option, same size\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003ca href=\"https:\/\/elkhartrvparts.com\/products\/alpha-50-gallons-holding-tank-64-x-32-x-8-940blank\" style=\"color: #dc2626;\"\u003eView\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eVR32659HRBLANK\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e62 Gallons\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e65.25\" x 32\" x 9.5\"\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eRight Drain\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eVR32659HRCD\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eLarger capacity, right drain\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003ca href=\"https:\/\/elkhartrvparts.com\/products\/alpha-62-gallon-rv-holding-tank-vr32659hrblank-oem-black-water\" style=\"color: #dc2626;\"\u003eView\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eVR266195HBLANK\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e44 Gallons\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e61\" x 26\" x 9\"\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eCheck specs\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eVR266195HCD\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003eNarrower width, compact spaces\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #e5e7eb;\"\u003e\u003ca href=\"https:\/\/elkhartrvparts.com\/products\/alpha-44-gallon-rv-holding-tank-vr266195hblank\" style=\"color: #dc2626;\"\u003eView\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"background-color: #f3f4f6; border-left: 4px solid #dc2626; padding: 15px; margin-top: 15px;\"\u003e\u003cstrong\u003eHelpful Tip:\u003c\/strong\u003e Always verify your RV's drain orientation before ordering. Right drain (RH) tanks have the drain outlet on the right side. If your RV has left-side plumbing, you need a left drain (HL) tank instead.\u003c\/p\u003e\u003ch2\u003eInstallation and Compatibility\u003c\/h2\u003e\u003cp\u003eThis holding tank ships as a blank unit requiring professional installation. You'll need to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVerify right drain orientation matches your RV's plumbing layout\u003c\/li\u003e\n\u003cli\u003eDrill appropriate holes for drain outlet (right side), vent, and sensor fittings\u003c\/li\u003e\n\u003cli\u003eInstall gaskets and threaded fittings with proper sealant\u003c\/li\u003e\n\u003cli\u003eConnect to existing RV plumbing system on right side\u003c\/li\u003e\n\u003cli\u003eSecure tank with appropriate mounting straps or brackets\u003c\/li\u003e\n\u003cli\u003eTest all connections for leaks before use\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eProfessional installation strongly recommended.\u003c\/strong\u003e Improper installation can lead to leaks, odors, and system failures.\u003c\/p\u003e\u003ch2\u003eWhat Makes Alpha Holding Tanks Superior?\u003c\/h2\u003e\u003cp\u003eAlpha has built a reputation for engineering excellence in the RV industry. Their holding tanks feature:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotational Molded Construction:\u003c\/strong\u003e Seamless one-piece design eliminates weak points and potential leak areas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Quality Standards:\u003c\/strong\u003e Same tanks used by major RV manufacturers in new builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Leak Testing:\u003c\/strong\u003e Every tank is individually submerged and tested before shipping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Polyethylene:\u003c\/strong\u003e Superior chemical resistance and durability for waste applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProper Drain Orientation:\u003c\/strong\u003e Right drain configuration ensures compatibility with right-side plumbing systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Quality Control:\u003c\/strong\u003e Manufactured to meet all health and safety requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for RV Life:\u003c\/strong\u003e Designed to withstand constant movement, vibration, and temperature changes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Service Life:\u003c\/strong\u003e Durable construction provides years of reliable performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat is the capacity of the 939BLANK holding tank?\u003c\/h3\u003e\u003cp\u003eThe Alpha 939BLANK holding tank has a 50-gallon capacity for black water storage. This provides ample waste storage for extended RV trips and reduces the frequency of dump station visits.\u003c\/p\u003e\u003ch3\u003eWhat does right drain orientation mean?\u003c\/h3\u003e\u003cp\u003eRight drain (RH) means the drain outlet is positioned on the right side of the tank when viewing from the front. This must match your RV's plumbing configuration. If your RV has left-side plumbing connections, you need a left drain (HL) tank instead.\u003c\/p\u003e\u003ch3\u003eWhat are the dimensions of the 939BLANK?\u003c\/h3\u003e\u003cp\u003eThe 939BLANK measures 64\" long x 32\" wide x 8\" tall. Make sure to measure your RV's tank compartment carefully, allowing extra space for fittings, connections, and mounting hardware.\u003c\/p\u003e\u003ch3\u003eIs this tank leak-tested?\u003c\/h3\u003e\u003cp\u003eYes, every Alpha 939BLANK holding tank is individually submerged and leak-tested before shipping. This rigorous quality control ensures you receive a reliable, problem-free tank ready for installation.\u003c\/p\u003e\u003ch3\u003eHow do I know if I need right drain or left drain?\u003c\/h3\u003e\u003cp\u003eCheck your existing tank's drain outlet location. If the drain is on the right side when facing the tank from the front, you need a right drain (RH) tank like the 939BLANK. If it's on the left side, you need a left drain (HL) tank. Verify before ordering to ensure proper fit.\u003c\/p\u003e\u003ch3\u003eWhat's the difference between 939BLANK and 940BLANK?\u003c\/h3\u003e\u003cp\u003eBoth are 50-gallon holding tanks with identical dimensions (64\" x 32\" x 8\"). The 939BLANK has right drain orientation. Check the 940BLANK specifications to confirm its drain orientation before ordering.\u003c\/p\u003e\u003ch3\u003eDo I need professional installation?\u003c\/h3\u003e\u003cp\u003eYes, professional installation is strongly recommended. Installing a holding tank requires drilling precise holes, installing fittings with proper gaskets and sealant, connecting to plumbing systems, and thorough leak testing. Improper installation can lead to serious problems including leaks and odors.\u003c\/p\u003e\u003ch3\u003eWill this fit my RV?\u003c\/h3\u003e\u003cp\u003eThe 939BLANK fits RVs with tank compartments that accommodate 64\" length x 32\" width x 8\" height, plus clearance for fittings and connections. Most importantly, your RV must have right-side drain plumbing to be compatible with this right drain tank.\u003c\/p\u003e\u003ch2\u003eAuthentic Alpha Parts from Elkhart RV Parts\u003c\/h2\u003e\u003cp\u003eWhen you order the 939BLANK from Elkhart RV Parts, you receive 100% authentic Alpha products backed by our commitment to quality. We are an authorized Alpha dealer, ensuring you receive genuine OEM-grade parts with full manufacturer quality standards.\u003c\/p\u003e\u003cp\u003eOur team understands RV holding tank systems and can help you select the right tank size and drain orientation for your specific application. Have questions about sizing, drain orientation, or compatibility? Use our \u003cstrong\u003eAI Live Chat\u003c\/strong\u003e for expert product guidance and technical support.\u003c\/p\u003e\u003ch2\u003eOrder Your Alpha 939BLANK Right Drain Holding Tank Today\u003c\/h2\u003e\u003cp\u003eReplace your worn or damaged RV holding tank with the reliable Alpha 939BLANK right drain holding tank. With 50-gallon capacity, right-side drain orientation, rotational molded construction, and 100% leak-tested quality, this holding tank delivers the OEM-grade performance you need for years of trouble-free RV adventures.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShips via freight.\u003c\/strong\u003e Order now for fast delivery of your authentic Alpha holding tank.\u003c\/p\u003e","brand":"Alpha","offers":[{"title":"Default Title","offer_id":46367888539800,"sku":"939001CD","price":533.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0346\/2397\/9579\/files\/939001-RH_1.jpg?v=1742405008","url":"https:\/\/elkhartrvparts.com\/en-ca\/products\/alpha-939blank-50-gallon-holding-tank-64x32x8-oem-grade","provider":"Elkhart RV Parts","version":"1.0","type":"link"}