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The HT630ED RV waste holding tank is a verified ICON replacement tank built for RV black or gray water storage where the exact 22.5" x 18.5" x 6" footprint and left end drain layout matter. This 8 gallons tank helps you match the original installation more confidently while staying with OEM-grade construction and real product specs.
Features & Specifications
- Part number: HT630ED
- Capacity: 8 Gallons
- Overall dimensions: 22.5" x 18.5" x 6"
- Drain / configuration: left end drain
- Built for RV waste or holding tank replacement applications
- OEM-grade ICON construction with verified live-store specs
Why Choose HT630ED?
If you need a 8 gallons RV waste holding tank, the biggest win is matching the tank footprint and drain layout before you order. The HT630ED makes that easier with a clearly identified part number, verified dimensions, and a format that fits common replacement searches for RV black-water and gray-water tank service.
Compare RV Holding Tanks
Not sure which RV holding tank is right for your setup? Compare capacity, footprint, and drain layout before you buy.
| Model | Capacity | Dimensions | Best For | View Details |
|---|---|---|---|---|
| HT630ED | 8 Gallons | 22.5" x 18.5" x 6" | compact waste tank replacements with left end drain layout | Current Product |
| HT192B-ED | 39 Gallons | 70" x 24" x 8" | Mid-size center end drain waste tank replacement | View Details |
| HT192-ED | 54 Gallons | 70" x 24" x 11" | Higher-capacity center end drain waste tank replacement | View Details |
| HT706-ED | 15 Gallons | 46.5" x 16.5" x 8" | Smaller waste tank footprint alternative | View Details |
Tip: Match capacity, overall dimensions, and the exact drain position first. Small layout differences matter more than marketing wording.
Technical Specifications
- Brand: ICON
- Model: HT630ED
- Tank type: RV waste holding tank
- Dimensions: 22.5" x 18.5" x 6"
- Capacity: 8 Gallons
- Configuration: left end drain
What's Included
Select tank only or the verified threaded/slip/toilet flange configuration offered on the live product.
Compatible Models & Alternatives
Compare this tank with other verified ICON holding tank options for similar capacities and footprints, including HT192B-ED, HT192-ED, and HT706-ED when you need a different size or drain layout.
Frequently Asked Questions
Is the HT630ED the right RV holding tank for my application?
Match the part number, capacity, dimensions, and drain layout to your original tank before ordering.
Can this ICON tank be used for black or gray water?
These ICON waste and holding tank listings are written for RV replacement applications where black-water or gray-water storage is required, but you should still confirm your original setup.
Why do the dimensions matter so much on an RV waste tank?
Even small dimensional differences can affect fit, drain alignment, and clearance around mounting points or surrounding components.
Does this product include fittings or sensors?
Only the fittings, sensors, spigots, or valve details verified on the live product page should be treated as included.
Why Buy from Elkhart RV Parts?
Elkhart RV Parts focuses on verified RV replacement parts with factual listings, clear part identification, and live-store comparisons that help you avoid ordering the wrong tank.
Use AI Live Chat for a faster way to compare verified RV holding tank options before you order.
| QAI Certification | REC 559-1 |
|---|---|
| Part number | HT630ED |
| Capacity (gallons) | 8 |
| Dimensions (inches) | 22-1/2 x 18-1/2 x 6 |
| Lead time | |
| Best for | Replacement for RV waste holding tank |
- What are the dimensions of the icon 8 gallon rv waste holding tank? The tank measures 22-1/2 inches in length, 18-1/2 inches in width, and 6 inches in height.
- Can this icon waste holding tank be used for both black and gray water? Yes, the ICON tanks can be used for black water, gray water, or a combination of both.
- Does the icon 8 gallon rv waste holding tank come with preinstalled fittings? Some versions of the tank come with a 3" threaded, 1 1/2" slip, and 7" OD toilet flange preinstalled, but you can also select the tank only option.
- Is the icon rv waste holding tank durable and built to last? Yes, the tank is engineered with a thicker amount of material for a stronger build, ensuring durability and long-lasting use.
- Is the icon 8 gallon rv waste holding tank certified by any standards? Yes, ICON tanks are certified to IAPMO and CSA standards.
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.