Dometic DHT137L
Holding tank for marine toilets, 137 l

A 137 l capacity waste holding tank for marine toilets. It's leak-proof, odor-free and made from highly durable polyethylene (6.3 mm wall thickness). With pre-cut holes and tested fittings that can rotate, it is easy to retrofit.
  • No leaks or odors
  • Easy to fit
  • Two separate outlets : 9107100005 (322603601) Visit support page + FAQ

Dometic Holding Tanks are products of unsurpassed know-how and experience

Dometic DHT137L
...and more
    • No leaks or offensive odors
    • Easy to fit with pre-drilled holes and pre-tested, installed fittings that can rotate
    • Two separate outlets for dockside and overboard discharge
    • Vacuum relief valve prevents damage from high-capacity dockside vacuum pumps
    • Made from highly durable polyethylene with a 6.3 mm wall thickness.
    • 137 l (36 gal.) waste capacity

No leaks, no odor, no problem

The Dometic DHT137L is the largest tank in this series of holding tanks designed to fit the most popular of boat models. There are five favoured tank sizes to choose from: 42, 60, 87, 110, and 136 l. The DHT137L is pre-plumbed with inlet and discharge fittings, a vent fitting, inspection port and a pressure relief valve. Dometic has been a long-time leading supplier of holding tank systems with numerous successful retrofit solutions and projects. This Dometic holding tank is specially developed for the European market and fully complies with ISO 8099 standards. Boat-builders can easily outfit a large boat with this high-quality holding tank, and assure their customers of long-lasting performance, no leaks or odors and total efficiency. The "plug 'n play" style tank is pressure tested and ready to install - just bolt it down and fasten the hoses.


SKU number 9107100005 
Model 36 G 
Model on label SN137L2002 
US Item Name 322603601 
Scope of delivery Tank, Fittings, Grommets, Plug, Hose lube, Manual, Insert 
Product Description Holding tank for marine toilets, 137 l 
Dimensions product depth 47 3/16 "
Dimensions product height 15 1/4 "
Dimensions product width 15 1/2 "
Net weight 32 lbs
EAN-13 0713814069179 
Dimensions parcel depth 48 "
Dimensions parcel height 20 "
Dimensions parcel width 16 "
Parcel weight 35 lbs
WARNING This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to