Elkhart Plastics - 30 Gallon RV Holding Tank - 54" x 22" x 8" - Blank Tank - EPI 1433 / H866
Elkhart Plastics - 30 Gallon RV Holding Tank - 54" x 22" x 8" - Blank Tank - EPI 1433 / H866
Replace Your RV Holding Tank with Confidence
The Elkhart Plastics 30 gallon RV holding tank (EPI 1433 / H866) is a direct OEM-grade replacement for gray water and black water systems in a wide range of travel trailers, fifth wheels, and motorhomes. At 54" x 22" x 8", this blank tank ships without fittings so you can customize the plumbing layout to match your exact rig — no cutting corners, no compromises.
Features & Specifications
- Capacity: 30 gallons
- Dimensions: 54" x 22" x 8" (L x W x H)
- Part Numbers: EPI 1433 / H866
- Configuration: Blank tank — no fittings included, fully customizable
- Material: Seamless rotational-molded black polyethylene — corrosion-proof and odor-resistant
- Country of Origin: USA
- Weight: 65 lbs
Why Choose This 30 Gallon RV Holding Tank?
When your holding tank cracks, leaks, or simply wears out, you need a replacement that fits right the first time. This 30 gallon RV holding tank from Elkhart Plastics is built to OEM specifications, meaning it matches the original factory dimensions exactly. The blank design gives you full control over fitting placement — ideal for custom builds, retrofits, or replacing a tank with a non-standard drain configuration.
Elkhart Plastics is one of the most trusted names in RV tank manufacturing, supplying major OEMs directly from their Indiana facility. When you order through ElkhartRVParts.com, you're getting the same tank that came in your rig from the factory — not an aftermarket imitation.
Compare RV Holding Tanks
Not sure if this is the right tank for your rig? Compare it against similar Elkhart Plastics holding tanks below to find the best fit by capacity and dimensions.
| Model / Part # | Capacity | Dimensions (L x W x H) | Profile | Best For | View Details |
|---|---|---|---|---|---|
| EPI 1433 / H866 (This Product) | 30 gal | 54" x 22" x 8" | Low-profile, wide | Travel trailers, custom builds | Current Product |
| EPI 4339 / H1259000 | 30 gal | 60" x 28" x 6.125" | Ultra-low profile | Tight floor clearance applications | View Details |
| EPI 2873 / H1128 | 29 gal | 60" x 28" x 7" | Low-profile | Fifth wheels, wider bays | View Details |
| EPI 1299 | 20 gal | 23.75" x 19" x 13.625" | Compact / tall | Class B vans, compact builds | View Details |
Tip: Match your replacement tank by length and width first — height (depth) is usually the most flexible dimension in most RV bays.
Technical Specifications
- Capacity: 30 gallons
- Length: 54"
- Width: 22"
- Height: 8"
- Part Numbers: EPI 1433 / H866 / H866033 / 1433
- SKU: H866033/1433
- Material: Rotational-molded black polyethylene (HDPE)
- Fittings: None — blank tank, fully customizable
- Shipping Weight: 65 lbs
- Country of Origin: USA
- Compatible Applications: Gray water, black water, waste holding
What's Included
- 1x Elkhart Plastics 30 gallon RV holding tank (EPI 1433 / H866)
- No fittings included — blank tank configuration
- Manufacturer warranty per Elkhart Plastics standard terms
Compatible Models & Alternatives
Looking for a different size or configuration? Browse related Elkhart Plastics holding tanks:
- 30 Gallon Ultra-Low Profile Tank — EPI 4339 / H1259000 (60" x 28" x 6.125")
- 29 Gallon RV Holding Tank — EPI 2873 / H1128 (60" x 28" x 7")
- 20 Gallon Compact Black Water Tank — EPI 1299 (23.75" x 19" x 13.625")
Frequently Asked Questions
Does this tank come with fittings?
No — the EPI 1433 / H866 is a blank tank with no pre-drilled fittings. This allows you to customize the drain, inlet, and vent locations to match your specific RV plumbing layout.
Is this compatible with gray water and black water systems?
Yes. The rotational-molded black polyethylene construction is chemically resistant and suitable for both gray water (sinks, shower) and black water (toilet) holding applications.
How do I know if this tank will fit my RV?
Measure your existing tank's length, width, and height (depth). The EPI 1433 measures 54" x 22" x 8". Also verify your bay opening dimensions and drain outlet location before ordering.
What is the wall thickness of this tank?
Elkhart Plastics uses a standard 0.180" wall thickness on their rotational-molded holding tanks, providing excellent durability for long-term RV use.
Can I order this tank with fittings pre-installed?
This listing is for the blank tank only. Contact our team via the AI Live Chat on this page for assistance sourcing compatible fittings or a pre-fitted configuration.
Why Buy from Elkhart RV Parts?
- Authorized Elkhart Plastics dealer — 100% authentic OEM-grade parts
- Ships direct from our Elkhart, Indiana warehouse
- Expert support via AI Live Chat — get fitment help before you buy
- Hassle-free returns and manufacturer warranty support
- Trusted by RV technicians, dealers, and DIY owners nationwide
Original: $345.21
-65%$345.21
$120.82Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Replace Your RV Holding Tank with Confidence
The Elkhart Plastics 30 gallon RV holding tank (EPI 1433 / H866) is a direct OEM-grade replacement for gray water and black water systems in a wide range of travel trailers, fifth wheels, and motorhomes. At 54" x 22" x 8", this blank tank ships without fittings so you can customize the plumbing layout to match your exact rig — no cutting corners, no compromises.
Features & Specifications
- Capacity: 30 gallons
- Dimensions: 54" x 22" x 8" (L x W x H)
- Part Numbers: EPI 1433 / H866
- Configuration: Blank tank — no fittings included, fully customizable
- Material: Seamless rotational-molded black polyethylene — corrosion-proof and odor-resistant
- Country of Origin: USA
- Weight: 65 lbs
Why Choose This 30 Gallon RV Holding Tank?
When your holding tank cracks, leaks, or simply wears out, you need a replacement that fits right the first time. This 30 gallon RV holding tank from Elkhart Plastics is built to OEM specifications, meaning it matches the original factory dimensions exactly. The blank design gives you full control over fitting placement — ideal for custom builds, retrofits, or replacing a tank with a non-standard drain configuration.
Elkhart Plastics is one of the most trusted names in RV tank manufacturing, supplying major OEMs directly from their Indiana facility. When you order through ElkhartRVParts.com, you're getting the same tank that came in your rig from the factory — not an aftermarket imitation.
Compare RV Holding Tanks
Not sure if this is the right tank for your rig? Compare it against similar Elkhart Plastics holding tanks below to find the best fit by capacity and dimensions.
| Model / Part # | Capacity | Dimensions (L x W x H) | Profile | Best For | View Details |
|---|---|---|---|---|---|
| EPI 1433 / H866 (This Product) | 30 gal | 54" x 22" x 8" | Low-profile, wide | Travel trailers, custom builds | Current Product |
| EPI 4339 / H1259000 | 30 gal | 60" x 28" x 6.125" | Ultra-low profile | Tight floor clearance applications | View Details |
| EPI 2873 / H1128 | 29 gal | 60" x 28" x 7" | Low-profile | Fifth wheels, wider bays | View Details |
| EPI 1299 | 20 gal | 23.75" x 19" x 13.625" | Compact / tall | Class B vans, compact builds | View Details |
Tip: Match your replacement tank by length and width first — height (depth) is usually the most flexible dimension in most RV bays.
Technical Specifications
- Capacity: 30 gallons
- Length: 54"
- Width: 22"
- Height: 8"
- Part Numbers: EPI 1433 / H866 / H866033 / 1433
- SKU: H866033/1433
- Material: Rotational-molded black polyethylene (HDPE)
- Fittings: None — blank tank, fully customizable
- Shipping Weight: 65 lbs
- Country of Origin: USA
- Compatible Applications: Gray water, black water, waste holding
What's Included
- 1x Elkhart Plastics 30 gallon RV holding tank (EPI 1433 / H866)
- No fittings included — blank tank configuration
- Manufacturer warranty per Elkhart Plastics standard terms
Compatible Models & Alternatives
Looking for a different size or configuration? Browse related Elkhart Plastics holding tanks:
- 30 Gallon Ultra-Low Profile Tank — EPI 4339 / H1259000 (60" x 28" x 6.125")
- 29 Gallon RV Holding Tank — EPI 2873 / H1128 (60" x 28" x 7")
- 20 Gallon Compact Black Water Tank — EPI 1299 (23.75" x 19" x 13.625")
Frequently Asked Questions
Does this tank come with fittings?
No — the EPI 1433 / H866 is a blank tank with no pre-drilled fittings. This allows you to customize the drain, inlet, and vent locations to match your specific RV plumbing layout.
Is this compatible with gray water and black water systems?
Yes. The rotational-molded black polyethylene construction is chemically resistant and suitable for both gray water (sinks, shower) and black water (toilet) holding applications.
How do I know if this tank will fit my RV?
Measure your existing tank's length, width, and height (depth). The EPI 1433 measures 54" x 22" x 8". Also verify your bay opening dimensions and drain outlet location before ordering.
What is the wall thickness of this tank?
Elkhart Plastics uses a standard 0.180" wall thickness on their rotational-molded holding tanks, providing excellent durability for long-term RV use.
Can I order this tank with fittings pre-installed?
This listing is for the blank tank only. Contact our team via the AI Live Chat on this page for assistance sourcing compatible fittings or a pre-fitted configuration.
Why Buy from Elkhart RV Parts?
- Authorized Elkhart Plastics dealer — 100% authentic OEM-grade parts
- Ships direct from our Elkhart, Indiana warehouse
- Expert support via AI Live Chat — get fitment help before you buy
- Hassle-free returns and manufacturer warranty support
- Trusted by RV technicians, dealers, and DIY owners nationwide
