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Elkhart Plastics 29 Gallon RV Holding Tank - Premium Center Drain Design
Upgrade your RV's waste management system with this premium 29-gallon holding tank from Elkhart Plastics, the industry leader in RV tank manufacturing. Engineered with a center drain configuration for optimal waste flow and complete drainage, this tank delivers reliable performance for years of RV adventures.
Why Choose This Elkhart Plastics Holding Tank?
Elkhart Plastics has been the trusted name in RV holding tanks for decades, supplying OEM manufacturers and aftermarket professionals with tanks that exceed industry standards. This 29-gallon tank features robust polyethylene construction that resists cracking, warping, and chemical degradation. The center drain design ensures complete waste evacuation and easier maintenance compared to side-drain alternatives. Whether you're replacing a damaged tank or upgrading your RV's capacity, this tank delivers the durability and performance you need.
Technical Specifications
- Capacity: 29 Gallons
- Dimensions: 60" Length x 28" Width x 6.125" Height
- Drain Orientation: Center Drain (optimal for complete waste evacuation)
- Part Numbers: H1129000, EPI 2872 (Replaces EPI 4339)
- Material: High-density polyethylene (HDPE)
- Weight: 72 lbs (shipping weight)
- Manufacturer: Elkhart Plastics / Ameri-Kart
- Country of Origin: USA
- HS Code: 392510
Key Features & Benefits
- Center Drain Design: Ensures complete waste evacuation and easier tank maintenance
- OEM Quality Construction: Same tanks used by major RV manufacturers
- Chemical Resistant: Withstands harsh waste treatment chemicals and temperature extremes
- Leak-Proof Design: Precision-molded seams prevent leaks and odor escape
- Direct Replacement: Replaces EPI 4339 and fits standard RV installations
- Low-Profile Design: 6.125" height fits tight underbelly spaces
- Made in USA: American manufacturing quality you can trust
Compatible RV Models & Applications
This 29-gallon holding tank is designed as a direct replacement for RVs originally equipped with EPI 2872 or EPI 4339 tanks. The center drain configuration and compact 60"x28"x6.125" dimensions make it ideal for:
- Travel trailers with limited underbelly clearance
- Fifth wheels requiring low-profile waste tanks
- RV renovations and custom builds
- Black water or gray water applications
- Replacement for cracked or damaged holding tanks
Installation & Compatibility Notes
Before ordering, verify your existing tank dimensions and drain location. This tank features a center drain configuration - ensure your RV's plumbing is compatible with center drain placement. Measure your available installation space carefully, as this tank requires 60" length x 28" width x 6.125" height clearance. Professional installation is recommended for proper sealing and venting.
Compare Similar Holding Tanks
| Model | Capacity | Dimensions (L x W x H) | Drain Side | Part Numbers | Best For | View Details |
|---|---|---|---|---|---|---|
| H1129000 (Current) | 29 Gallons | 60" x 28" x 6.125" | Center Drain | H1129000, EPI 2872 | Low-profile installations, complete drainage | Current Product |
| H3547 | 22 Gallons | 60" x 24" x 6" | Center Drain | H3547 | Smaller capacity, similar footprint | View Details |
| H3882 | 44 Gallons | 59" x 28" x 8.25" | Center Drain | H3882 | Higher capacity, similar width | View Details |
| 602006000 | 37.5 Gallons | Custom Jayco Spec | Varies | 602006000 | Jayco OEM replacement | View Details |
Pro Tip: Drain orientation is critical for proper installation. Center drain tanks like the H1129000 provide optimal waste flow and complete evacuation. Always verify your RV's drain location before ordering.
What's Included
- 1x Elkhart Plastics 29 Gallon Holding Tank (H1129000)
- Factory-installed fittings and drain assembly
- Manufacturer documentation
Note: Tank sensors, mounting hardware, and plumbing connections sold separately. Professional installation recommended.
Why Buy From Elkhart RV Parts?
- Authorized Dealer: We source directly from Elkhart Plastics - guaranteed authentic OEM parts
- Expert Support: Our AI Live Chat provides instant product guidance and compatibility assistance
- Fast Shipping: Most orders ship within 24 hours from our Indiana warehouse
- Quality Guarantee: Every tank is inspected before shipping to ensure leak-free performance
- RV Specialist: We understand RV systems and can help you find the right replacement parts
Frequently Asked Questions
Q: What's the difference between center drain and side drain holding tanks?
A: Center drain tanks like the H1129000 position the drain outlet in the middle of the tank bottom, allowing for more complete waste evacuation and easier maintenance. Side drain tanks have the outlet on one side, which can leave residual waste in the tank.
Q: Will this tank fit my RV if I currently have an EPI 4339?
A: Yes, the H1129000 is the direct replacement for the discontinued EPI 4339. It has identical dimensions and drain configuration.
Q: Can I use this tank for both black water and gray water?
A: Yes, this tank is suitable for both black water (toilet waste) and gray water (sink/shower drainage) applications. Ensure proper venting for black water use.
Q: Do I need special tools to install this holding tank?
A: Installation requires basic hand tools, RV-grade sealant, and proper venting components. Professional installation is recommended to ensure leak-free operation and compliance with RV plumbing standards.
Q: How do I know if this tank will fit my RV's underbelly space?
A: Measure your available space carefully. This tank requires 60" length x 28" width x 6.125" height clearance. If you need help with fitment, use our AI Live Chat for personalized assistance.
Q: Where are Elkhart Plastics tanks manufactured?
A: Elkhart Plastics manufactures their RV holding tanks in the USA, ensuring consistent quality and compliance with North American RV standards.
Need Help Choosing the Right Tank?
Our AI Live Chat can help you verify compatibility, compare tank options, and answer technical questions about your RV's holding tank system. Get instant expert guidance without waiting for email responses.
Click the chat icon to connect with our AI product specialist now.
Order your Elkhart Plastics 29 Gallon RV Holding Tank today and restore your RV's waste management system with OEM-quality reliability.
| Material | Black polyethylene |
|---|---|
| Width (inches) | 28 |
| Height (inches) | 6.125 |
| Length (inches) | 60 |
| Capacity (gallons) | 29 |
| Wall thickness (inches) | 0.18 |
| Outlet diameter (inches) | 3 |
- What are the dimensions of the 29 gallon rv holding tank? The tank measures 60 inches in length, 28 inches in width, and 6 1/8 inches in height.
- Is the 29 gallon rv holding tank compatible with fittings? The tank comes blank with no fittings, but fittings can be added upon request per a quote.
- What material is the 29 gallon rv holding tank made from? The tank is made from black polyethylene with a wall thickness of 0.180 inches.
- Does the sealed hole on top of the tank have any functional use? No, the sealed hole on top of the tank is a venting hole from the manufacturing process and has no functional use for the end-user.
- Can this 29 gallon rv holding tank replace tank model number 4339? Yes, this tank number 2872 is a good substitute for tank number 4339 as they are the same size.
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.

