Marine Sanitation, Elevated.
The Dometic Wall Holding Tank Series sets a new standard in marine sanitation, combining advanced design with VacuMax™ technology for maximum efficiency, reliability, and ease of use. Whether they are carrying water or waste, holding tanks have a tough job to do. Dometic holding tanks are robust enough to withstand the rigors of travel and even sudden drops in temperature - without cracking or leaking. Available in a variety of capacities and configurations.
Whether you're upgrading your boat's sanitation system or building new, the Dometic Wall Holding Tank Series offers unmatched performance and reliability.
VacuMax™ Technology: Delivers powerful vacuum efficiency, reducing water usage while ensuring clean, hygienic performance.
Space-Saving Design: Wall-mounted system maximizes onboard space for a cleaner, smarter installation.
Durability You Can Trust: Built with high-quality materials to withstand the toughest marine environments.
Simplified Maintenance: Easy access design reduces downtime and improves serviceability.
Leading the Way in Marine Sanitation.
Odor Free
Easy to Install
Technology Flexible
DAME Honorable Mention
Tank Value Features
Innovative Tank Design
Design strengthens the tank while vessel movement naturally mixes the contents, helping to break down solids efficiently without the need for any moving parts.
Molded-In Restraining Strap Features
Standardizes tank securing (top and bottom).
Gravity Drain (HTS-W & HT-W)
Features a ball valve with a hose fitting that reduces standing sewage in the drain hose, helping to extend the hose's life by minimizing odor permeation. Also includes a basic hose fitting (HT-W-B).
Tank Status Panel (HTS-W & HT-W)
The indicator illuminates when the tank reaches 75% capacity, helping reduce the risk of overfilling.
The Power of VacuMax™.
The HTS-W model with integrated VacuMax™ pump provides the power of vacuum to save water with every flush. Multiple discharge outlets eliminate the need for complex plumbing. Basic tank design models offer boat builders flexibility when planning vessel layouts and toilet technologies.
VacuMax Performance Features
Inverted Vacuum Pump
More efficient than VacuFlush pumps and features a 20-second vacuum reset time for improved performance. It is designed with easy pump removal to simplify servicing, while also reducing overall maintenance requirements. Additionally, its durable construction helps extend the system's operational life.
Innovative Pump Valve Cartridge
An encapsulated dual valve design that enhances reliability and performance. It is self-sealing and can be securely locked by hand for added convenience, while also helping to extend the life of the valves.
Vacuum Reservoir Optimization
Engineered with geometry optimized for maximum efficiency, ensuring consistent and effective performance. Its design resists material buildup, helping maintain smooth operation over time, and it is hermetically sealed to deliver optimal reliability in demanding conditions.
Odor-Free System
Hose to the toilet remains mostly empty, which helps minimize waste retention and improve overall hygiene. This reduces odor permeation for a cleaner environment and also helps extend the life of the hose.
Discover. Compare. Choose.
Plan your next boat build or upgrade with the knowledge of what W-Series Tank works with your vessel.
The Ultimate Upgrade Below Deck.
Contact us today to start your next marine sanitation holding tank project.