ICON - RV Waste Holding Tank HT630ABD - 8 Gallons - 22.5" x 18.5" x 6" - Bottom Drain

QAI Listed — REC 559-1
Icon DirectSKU: 00436
Added to catalog: July 08, 2022
Last product update: May 29, 2026 at 11:08 PM

Sale price$227.63 Regular price$379.81
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Keep It Clean on the Go with the 8 Gallon RV Waste Holding Tank
This durable 8-gallon RV waste holding tank is made from tough ABS plastic and features solvent-welded seams for leak-free reliability. Its bottom drain with a 3-inch threaded fitting ensures easy emptying, while the compact design and IAPMO certification make it a dependable choice for your RV sanitation needs.
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✓ ElkhartRVParts.com - The Only Authorized Place for ICON Direct Parts
✓ 100% Verified Authentic OEM Grade Part

The HT630ABD 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 bottom 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: HT630ABD
  • Capacity: 8 Gallons
  • Overall dimensions: 22.5" x 18.5" x 6"
  • Drain / configuration: bottom drain
  • Built for RV waste or holding tank replacement applications
  • OEM-grade ICON construction with verified live-store specs

Why Choose HT630ABD?

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 HT630ABD 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
HT630ABD 8 Gallons 22.5" x 18.5" x 6" compact waste tank replacements with bottom 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: HT630ABD
  • Tank type: RV waste holding tank
  • Dimensions: 22.5" x 18.5" x 6"
  • Capacity: 8 Gallons
  • Configuration: bottom drain

What's Included

3" threaded fitting drain when verified 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 HT630ABD 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.

Need help matching dimensions or drain position?
Use AI Live Chat for a faster way to compare verified RV holding tank options before you order.
Need Fittings Installed on This Tank?
Use our free Custom RV Tank Builder — visually place fittings, get an instant price, and order with professional installation included.
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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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