Alpha - 29.5 Gallon RV Holding Tank - 56" x 12" x 12" - 260BLANK - OEM Grade Black Water Tank

AlphaSKU: 260BLANK

Sale price$311.20 Regular price$314.90
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FREE Delivery Estimate February 10 – February 16
Alpha RV Holding Tanks:
Pump Up Your RV Adventures with the Ultimate 29.5-Gallon Waste Holding Tank
Specifications drawing for Alpha - 29.5 Gallon RV Holding Tank - 56
Upgrade your RV’s waste management with the Alpha 29.5 Gallon Holding Tank, featuring a seamless, extra-durable rotational molded design for superior strength and longevity. This OEM-quality tank fits major RV brands, withstands travel stresses, and is individually leak-tested to ensure reliable, worry-free performance on the road.
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✓ 100% Verified Authentic OEM Grade Part

Alpha 260BLANK RV Holding Tank - 29.5 Gallon Ultra-Narrow Black Water Storage

The Alpha 260BLANK holding tank delivers reliable 29.5-gallon black water storage capacity with OEM-grade rotational molded construction. This 56" x 12" x 12" holding tank features seamless one-piece design, leak-tested quality assurance, and blank configuration perfect for RVs with extremely narrow tank compartments.

Why Choose the Alpha 260BLANK Holding Tank?

Alpha's 260BLANK holding tank solves the challenge of replacing worn or damaged RV waste tanks in ultra-narrow spaces with authentic OEM-quality construction. The 29.5-gallon capacity provides adequate black water storage for weekend trips and extended camping, while the rotational molded seamless design eliminates weak points and potential leak areas found in welded tanks.

At 56" long, only 12" wide, and 12" tall, this holding tank features an ultra-narrow profile that maximizes capacity in extremely tight spaces. The narrow 12" width makes it ideal for RVs with severe side-to-side clearance limitations, while the 12" height provides excellent capacity in a compact footprint.

Key Features and Specifications

  • Capacity: 29.5 gallons black water storage
  • Dimensions: 56" length x 12" width x 12" height
  • Configuration: Blank (no pre-installed fittings)
  • Construction: Rotational molded seamless one-piece design
  • Material: High-density polyethylene (HDPE)
  • Part Number: 260BLANK
  • Manufacturer: Alpha
  • Quality Testing: 100% leak-tested before shipping
  • Grade: OEM quality - same tanks used in new RV builds

Perfect For These Applications

The 56" x 12" x 12" size with 29.5-gallon capacity makes the 260BLANK ideal for:

  • Travel trailer black water tank replacement with ultra-narrow compartments
  • Class B van conversion waste tank installations
  • Compact motorhome holding tank repairs
  • RVs with extremely narrow tank compartment configurations
  • Custom RV builds requiring minimal width
  • Between-frame installations with severe width limitations
  • Applications requiring ultra-narrow 12" width
  • Weekend camping rigs with tight space constraints

Ultra-Narrow Profile Design

The 260BLANK features an ultra-narrow 56" x 12" x 12" profile, creating one of Alpha's narrowest holding tanks. This configuration offers several advantages:

  • Ultra-narrow 12" width fits in extremely tight side-to-side spaces
  • 12" height provides excellent capacity without excessive dimensions
  • Ideal for RVs with severe width limitations
  • Provides 29.5-gallon capacity in a space-efficient design
  • Perfect for between-frame installations
  • Excellent for van conversions and compact RVs

Note: Professional installation recommended. You'll need to drill and install appropriate fittings, gaskets, and hardware based on your RV's plumbing system.

Compare Similar Alpha Holding Tanks

Model Capacity Dimensions (L x W x H) Part Number Best For View Details
260BLANK 29.5 Gallons 56" x 12" x 12" 260BLANK Ultra-narrow compartments, tight width Current Product
VR24607HRBLANK 28.5 Gallons 60" x 24" x 7" VR24607HRBLANK Similar capacity, wider, right drain View
VR224685HBLANK 27 Gallons 46" x 22" x 8.5" VR224685HBLANK Slightly smaller, wider profile View
207BLANK 32 Gallons 54.25" x 28.25" x 6.625" 207BLANK Larger capacity, wider, lower profile View

Helpful Tip: When selecting a holding tank, measure your RV's tank compartment carefully. The 260BLANK's ultra-narrow 12" width makes it ideal for extremely tight spaces where wider tanks won't fit.

Installation and Compatibility

This holding tank ships as a blank unit requiring professional installation. You'll need to:

  • Verify tank dimensions fit your compartment (56" L x 12" W x 12" H minimum)
  • Drill appropriate holes for drain outlet, vent, and sensor fittings
  • Install gaskets and threaded fittings with proper sealant
  • Connect to existing RV plumbing system
  • Secure tank with appropriate mounting straps or brackets
  • Test all connections for leaks before use

Professional installation strongly recommended. Improper installation can lead to leaks, odors, and system failures.

What Makes Alpha Holding Tanks Superior?

Alpha has built a reputation for engineering excellence in the RV industry. Their holding tanks feature:

  • Rotational Molded Construction: Seamless one-piece design eliminates weak points and potential leak areas
  • OEM Quality Standards: Same tanks used by major RV manufacturers in new builds
  • 100% Leak Testing: Every tank is individually submerged and tested before shipping
  • High-Density Polyethylene: Superior chemical resistance and durability for waste applications
  • Ultra-Narrow Profile Options: 12" width design maximizes capacity in extremely tight spaces
  • Blank Configuration Options: Complete flexibility for custom plumbing installations
  • Strict Quality Control: Manufactured to meet all health and safety requirements
  • Built for RV Life: Designed to withstand constant movement, vibration, and temperature changes
  • Long Service Life: Durable construction provides years of reliable performance

Frequently Asked Questions

What is the capacity of the 260BLANK holding tank?

The Alpha 260BLANK holding tank has a 29.5-gallon capacity for black water storage. This provides adequate waste storage for weekend trips and extended camping in compact RVs.

What makes this tank's dimensions unique?

The 260BLANK features an ultra-narrow profile (56" x 12" x 12") that makes it one of Alpha's narrowest holding tanks. The 12" width is ideal for RVs with severe side-to-side clearance limitations, such as van conversions and between-frame installations.

What are the dimensions of the 260BLANK?

The 260BLANK measures 56" long x 12" wide x 12" tall. Make sure to measure your RV's tank compartment carefully, allowing extra space for fittings, connections, and mounting hardware.

Is this tank leak-tested?

Yes, every Alpha 260BLANK 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.

What does blank configuration mean?

Blank configuration means the tank has no pre-installed fittings. You have complete flexibility to drill and install drain outlets, vent fittings, and sensor ports exactly where your RV's plumbing system requires them.

Will this fit my van conversion?

The 260BLANK's ultra-narrow 12" width makes it perfect for van conversions with limited space. Verify your compartment accommodates 56" length x 12" width x 12" height, plus clearance for fittings and connections.

Do I need professional installation?

Yes, 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.

How does this compare to other 30-gallon tanks?

The 260BLANK's unique 56" x 12" x 12" profile sets it apart from other 30-gallon tanks. The ultra-narrow 12" width makes it ideal for extremely tight spaces where wider tanks won't fit, perfect for van conversions and compact RVs.

Authentic Alpha Parts from Elkhart RV Parts

When you order the 260BLANK 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.

Our team understands RV holding tank systems and can help you select the right tank size and configuration for your specific application. Have questions about sizing, installation, or compatibility? Use our AI Live Chat for expert product guidance and technical support.

Order Your Alpha 260BLANK Ultra-Narrow Holding Tank Today

Replace your worn or damaged RV holding tank with the reliable Alpha 260BLANK ultra-narrow holding tank. With 29.5-gallon capacity, ultra-narrow 12" width profile, 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 in tight spaces.

Ships via freight. Order now for fast delivery of your authentic Alpha holding tank.

100% Authentic OEM Parts

Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.

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