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VacuFlush Holding Tank Systems with the integrated Vacuum Generators are not available online and are Exempt From Any Free Shipping Promotions.
Feel free to contact us with any questions on price, availability and information on the options not shown. Most units are special order items.


10 gallon HTS-VG

28 gallon HTS-VG

35 gallon hts-vg


42 gallon hts-vg


VacuFlush® Holding Tank Systems (HTS)

Complete, reliable holding tank systems for use with VacuFlush® or other marine toilets.

Virtually any boat with room for a holding tank can now incorporate the advantages of a SeaLand® premium-quality Holding Tank Systems.

Leak-Proof Design

Top-mounted hose connections eliminate possibility of leaks due to faulty connections.

Odor-Free, highly durable tank

100% virgin polyethylene resin with extra-heavy wall thickness prevents odor permeation and resists corrosion.

Implosion Protected

TankSaver® vacuum relief valve prevents damage from dockside pumps that use very high levels of vacuum.

ISO/USCG Compliant

SeaLand holding tanks fully comply with the ISO 8099:2000(E) standard and applicable U.S. Coast Guard requirements.

HTS-VG Systems – Featuring reliable vacuum generators which reduce sound emissions by up to 50%* (compared to previous vacuum pumps), HTS-VG models include preassembled sanitation components for easy installation and high-quality performance.

Holding Tank System requirements (applicable models):

Plumbing connection Inlet fitting size: 1-1/2 in. (38.1mm)
Outlet fitting size: 1-1/2 in. (38.1mm)
Vent outlet size: 5/8 in. (15.9mm)

12VDC 24VDC

Electrical Vacuum generator*: 10 amp 5 amp
Level indicator: 3 amp 3 amp
Discharge pump*: 10 amp 5 amp

* requires separate circuit breaker

Specifications subject to change without notice.