---
✓ ElkhartRVParts.com - The Only Authorized Place for Alpha RV Tanks
✓ 100% Verified Authentic OEM Grade Part
Alpha 40 Gallon RV Black Holding Tank - Professional Grade Waste Management
The Alpha VB24637HL 40 gallon black holding tank (63" x 25" x 7") delivers OEM-quality waste management for your RV. This rotational molded holding tank features seamless one-piece construction that eliminates leak points and provides superior durability compared to traditional welded tanks.
Designed specifically for RV black water applications, this 40 gallon waste tank meets all NSF and health safety standards while providing the capacity you need for extended trips. Every tank is individually leak-tested before shipping to guarantee problem-free installation and reliable performance.
Why Choose the Alpha VB24637HL Black Holding Tank?
- OEM-Grade Quality: Same tanks used by major RV manufacturers in new builds - guaranteed authentic Alpha parts
- Rotational Molded Construction: Seamless one-piece design eliminates weak points and potential leak areas
- Rigorous Quality Testing: Every tank individually submerged and leak-tested before shipping
- NSF Certified: Meets all health and safety standards for RV waste management systems
- Built for RV Life: Engineered to withstand constant movement, vibration, and temperature extremes
- 40 Gallon Capacity: Optimal size for extended camping without frequent dump station visits
- Precise Dimensions: 63" L x 25" W x 7" H for accurate fitment in your RV
Technical Specifications
| Part Number | VB24637HL |
| Capacity | 40 Gallons |
| Dimensions | 63" L x 25" W x 7" H |
| Tank Type | Black Water Holding Tank |
| Configuration | No Probes, Tank Only |
| Material | Rotational Molded Polyethylene |
| Weight | 66.4 lbs |
| Barcode | 779228626513 |
| Certification | NSF Certified, Meets Health & Safety Standards |
Compare 40 Gallon Alpha Holding Tanks
| Model | Dimensions (L×W×H) | Part Number | Best For | View Details |
|---|---|---|---|---|
| VB24637HL (Current) | 63" × 25" × 7" | VB24637HL | Long, narrow spaces | You're viewing this |
| VR40427HBLANK | 42" × 40" × 7" | VR40427HBLANK | Square/wide spaces | View Tank → |
| VR28598HLBLANK | 59" × 28" × 8" | VR28598HLBLANK | Medium length/width | View Tank → |
| VR28598HRBLANK | 59" × 28" × 8" | VR28598HRBLANK | Right-side configuration | View Tank → |
| VB24637HR | 63" × 25" × 7" | VB24637HR | Blank tank, no fittings | View Tank → |
💡 Choosing Tip: Measure your RV's tank compartment carefully before ordering. The VB24637HL's long, narrow profile (63" × 25") works best in elongated spaces, while the VR40427HBLANK's square design (42" × 40") fits wider compartments.
Installation & Compatibility
This Alpha black water tank is designed as a direct OEM replacement for RVs originally equipped with the VB24637HL model. The tank-only configuration (no probes) allows you to reuse your existing level sensors or install aftermarket monitoring systems.
Important Installation Notes:
- Verify your RV's tank compartment dimensions before ordering (63" L × 25" W × 7" H required)
- Tank weighs 66.4 lbs - two-person installation recommended
- Reuse existing mounting hardware and fittings from your old tank
- Professional installation recommended for proper sealing and venting
- Ensure adequate ventilation and proper slope for complete drainage
What's Included
- 1x Alpha VB24637HL 40 Gallon Black Holding Tank
- Factory leak-tested and certified
- No probes or sensors included (tank only)
Frequently Asked Questions
Q: Does this tank come with level sensors?
A: No, the VB24637HL is a tank-only configuration without probes. You can reuse your existing sensors or install aftermarket monitoring systems.
Q: What's the difference between VB24637HL and VB24637HR?
A: The HL (left) and HR (right) designations indicate the fitting orientation. The VB24637HR is a blank tank with no fittings, while the VB24637HL may have pre-installed fittings on the left side.
Q: Is this tank NSF certified for RV use?
A: Yes, all Alpha holding tanks meet NSF standards and health/safety requirements for RV waste management systems.
Q: How do I know if this tank will fit my RV?
A: Measure your existing tank compartment. You'll need at least 63" length, 25" width, and 7" height clearance. If you're unsure, use our AI Live Chat for assistance with product identification.
Q: What is rotational molding and why is it better?
A: Rotational molding creates a seamless, one-piece tank without welds or seams. This eliminates weak points where leaks commonly occur in traditional tanks, providing superior durability and longevity.
Customer Reviews
⭐⭐⭐⭐⭐ 4.8/5 stars based on 5 verified customer reviews
"Glad I found this part here, saved my trip! Helped fix a problem I've had for weeks. It matches the description: Withstand requirements the.." - Patricia
"Worked well for my camper setup. Installed this last weekend and it worked flawlessly." - Bradley
Need Help Choosing the Right Tank?
Not sure if the VB24637HL is the right fit for your RV? Our AI Live Chat can help you identify the correct replacement tank based on your RV make, model, and existing tank specifications. Get instant assistance with product compatibility, dimensions, and installation questions.
Order Your Alpha VB24637HL 40 Gallon Black Holding Tank Today
Fast shipping • OEM quality • Leak-tested • NSF certified
| Material | Rotational Molded Plastic |
|---|---|
| Width (inches) | 25 |
| Height (inches) | 7 |
| Length (inches) | 63 |
| Weight (pounds) | 127 |
| Capacity (gallons) | 40 |
- What is the capacity of the alpha vb24637hl holding tank? The Alpha VB24637HL holding tank has a capacity of 40 gallons.
- What are the dimensions of this holding tank? The holding tank measures 63 inches in length, 25 inches in width, and 7 inches in height.
- Is this holding tank compatible with most rvs? Yes, this tank is an authentic OEM part used in new RV builds by major manufacturers, ensuring perfect compatibility and performance.
- Does this holding tank come with probes included? No, this product is the tank only and does not include probes.
- How durable is the alpha vb24637hl holding tank? It features extra durable rotational molded construction, creating a seamless one-piece tank that provides superior strength and longevity, designed to withstand the conditions of RV travel.
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.




