ICON HT140-SD 30 Gallon RV Holding Tank – Black & Gray Water Waste Tank, Center Side Drain - 12427

Durable 30 Gallon RV Holding Tank for Black or Gray Water Systems

The ICON HT140-SD 30 Gallon Holding Tank is a heavy-duty replacement waste holding tank designed for use as either a black water holding tank or gray water holding tank in RVs, travel trailers, fifth wheels, motorhomes, toy haulers, and camper conversions.

Constructed from durable ABS plastic, the HT140-SD features a spacious 30-gallon capacity, a center side drain configuration, and a pre-installed 3-inch spigot outlet fitting. Its low-profile design makes it an excellent choice for RV applications where underbelly space is limited while still providing ample waste storage capacity.

Whether you're replacing a cracked RV holding tank, upgrading your waste system, or building a custom RV plumbing setup, the ICON HT140-SD delivers dependable performance and long-lasting durability.

Features & Benefits

• Designed for use as either a black water or gray water holding tank
• Large 30-gallon waste storage capacity
• Durable ABS plastic construction resists cracking and corrosion
• Low-profile design maximizes installation flexibility
• Center side drain configuration for convenient plumbing connections
• Pre-installed 3-inch spigot outlet fitting
• Includes 1-1/4 inch mounting flange
• Ideal replacement for damaged or leaking RV holding tanks
• Suitable for travel trailers, fifth wheels, motorhomes, and campers
• Compatible with gravity-flush and macerating toilet systems when properly configured

Specifications

• Manufacturer: ICON Technologies
• Part Number: HT140-SD
• Product Type: Waste Holding Tank
• Application: Black Water or Gray Water
• Capacity: 30 Gallons
• Length: 60 Inches
• Width: 24 Inches
• Depth/Height: 8 Inches
• Drain Location: Center Side Drain
• Outlet Fitting: 3 Inch Diameter Spigot
• Mounting Flange: 1-1/4 Inch Mounting Flange
• Material: ABS Plastic
• Color: Black
• Quantity: Single

Common Applications

The ICON HT140-SD is commonly used as a replacement or upgrade for:

• RV black water holding tanks
• RV gray water holding tanks
• Travel trailer waste tanks
• Fifth wheel holding tanks
• Motorhome waste tanks
• Toy hauler waste tanks
• Camper waste management systems
• Custom RV plumbing and sanitation projects

Compatible Toilet Systems

When properly plumbed, the HT140-SD can be used with:

• Dometic gravity-flush RV toilets
• Thetford gravity-flush RV toilets
• Dometic MasterFlush macerating toilets
• Tecma macerating toilet systems
• Residential-style RV toilets
• Custom RV waste management systems

Why Choose the ICON HT140-SD?

When searching for a 30 gallon RV holding tank, RV black tank replacement, RV gray water holding tank, or RV waste tank with center side drain, the HT140-SD provides an excellent combination of capacity, durability, and installation flexibility.

Its extended 60-inch length and low-profile 8-inch depth make it ideal for RVs requiring a large-capacity tank in shallow underbelly compartments. The center side drain configuration also simplifies plumbing layouts in many RV applications.

Built from rugged ABS plastic, the HT140-SD is designed to withstand years of use while providing dependable waste storage for your RV sanitation system.

Frequently Asked Questions

Can this tank be used for black water?

Yes. The HT140-SD is designed for use as either a black water holding tank or a gray water holding tank.

What is the drain configuration?

This tank features a center side drain location with a pre-installed 3-inch spigot outlet fitting.

Does this tank work with macerating toilets?

Yes. The HT140-SD can be used with Dometic MasterFlush, Tecma, and other macerating toilet systems when equipped with the proper inlet and vent connections.

Is this tank made from ABS plastic?

Yes. The tank is constructed from durable ABS plastic designed specifically for RV waste system applications.

Is this a good replacement for a cracked RV black tank?

Absolutely. The HT140-SD is commonly used as a replacement black water or gray water holding tank in RVs, travel trailers, and motorhomes.

What's Included

• ICON HT140-SD 30 Gallon Holding Tank
• Pre-Installed 3-Inch Spigot Outlet Fitting
• 1-1/4 Inch Mounting Flange