Dometic 20 HTS-HRZ Basic Series Waste Water Holding Tank System - 18 Gallon
Shipping weight reflects calculated Dimensional Weight and is not actual product weight - see here for details.
Complete, reliable holding tank systems for use with marine toilets.
Virtually any boat with room for a holding tank can now incorporate the advantages of Dometic’s premium-quality Holding Tank Systems.
Leak-proof Design- Top-mounted hose connections eliminate standing liquid in discharge hose, preventing odor permeation through hose.
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- Dometic holding tanks fully comply with the ISO 8099:2000(E) standard and applicable U.S. Coast Guard requirements.
- Heavy-duty 3/8" polyethylene
- TankSaver® relief valve
- Inspection port
- Vent outlet
- Two discharge outlets
- Tank capacity: 18 gal. (68 L)
- Empty weight: 27 lbs. (12.2 kg)
- Full weight: 178 lbs. (80.7 kg)
- Inlet fitting size: 1-1/2 in. (38.1 mm)
- Outlet fitting size: 1-1/2 in. (38.1 mm)
- Vent outlet size: 5/8 in. (15.9 mm)
- Dimensions: 14"H x 14.25"W x 28.25"D Horizontal Style
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