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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.

If you are interested in Purchasing a VacuFlush system you can give us a call at 1-206-633-1110 or email us at and we can assist you further.

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)


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.