Waste Not, Wander More: ICON 18-Gallon RV Holding Tank
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- Dimensions: 48.5x25.5x6.5
- ICON has a wide selection of different sizes and capacities of holding tanks for your RV. Engineered with a thicker amount of material, you can have peace of mind knowing that your ICON holding tank was built to last. Replace a leaky or damaged tank with a durable ICON tank or upgrade your holding tanks capacity with an ICON tank designed to fit your RV.
- Made with a thicker amount of material for a stronger build
- Most tanks have a preinstalled drain and level sensors
- Tanks can be used for black or gray water, or a combination of both
- ICON tanks are certified to IAPMO and CSA standards
- Please view the image carefully before ordering to ensure a correct selection is made as some tanks come with preinstalled fittings
- Source your holding tank from a trusted brand - ICON Technologies
Tank with spigot and sensors installed
| Model | HT600A-SD |
|---|---|
| Capacity (gallons) | 18 |
| Length (inches) | 48.5 |
| Width (inches) | 25.5 |
| Height (inches) | 6.5 |
- What is the capacity of the icon ht600a-sd holding tank? The tank has an 18 gallon capacity.
- What are the exact dimensions of this holding tank? Dimensions are 48.5 x 25.5 x 6.5 inches.
- Does this tank come with a spigot and level sensors installed? Yes, the tank includes a preinstalled spigot, drain, and level sensors.
- Can this holding tank be used for black water, gray water, or both? It can be used for black water, gray water, or a combination of both.
- Is the icon holding tank certified and suitable for replacing or upgrading rv tanks? Yes, ICON tanks are certified to IAPMO and CSA standards and are designed for RV tank replacement or capacity upgrades.
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 Genuine, name-brand components made to order — never generic, never outdated.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.

