Transit Undermount Water Tank (10 Gallon)

Transit Undermount Water Tank (10 Gallon)
Transit Undermount Water Tank (10 Gallon)
Transit Undermount Water Tank (10 Gallon)
Transit Undermount Water Tank (10 Gallon)
Transit Undermount Water Tank (10 Gallon)
Transit Undermount Water Tank (10 Gallon)

Transit Undermount Water Tank (10 Gallon)

Regular price $295.00 Sale price $265.50

Save $29.50
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  • Designed for Transit Vans
  • Fits Snuggly under the Driver or Passenger Side of the Transit
  • Food Grade and BPA Free (CSA Approved)
  • Freshwater Fittings Kit Add-On Available
  • Save Space Inside Your Van with this Undermount Tank!

This undercarriage tank is designed to fit snugly under the passenger or driver side of your Transit's framed undercarriage; these tanks are the perfect solution for managing your water while relaxing at the campsite!

This tank was designed with versatility in mind! Use this tank for grey water management, or, bundle this tank with our Freshwater Fittings Kit and use it for freshwater storage under your van, or in your vans interior. Rest easy knowing this tank is food-grade CSA certified and BPA-free.

Looking for more volume? Check out our 17 Gallon Transit Undermount Water Tank!

Do you want to spend more time at the campsite and less time searching for water fill-up stations? Bundle your undermount tank with our custom-made 29 Gallon Transit Wheel Well Water Tank!

Key Features & Benefits: 

  • Save Space - Mount underneath your van chassis for extra storage room inside your van - passenger or driver side.
  • Perfect Fit - Designed to fit perfectly under the Transit van, simply position the tank and attach with strapping, no need to make modifications.
  • Durable Design - This tank is tough; rest assured knowing your tank will hold up to exposure and the elements.
  • Multi-Purpose - Use this undermount tank for grey water storage, or bundle it with our Freshwater Fittings Kit to turn this tank into a freshwater reservoir; option to mount in your van's interior, as a freshwater tank. 
  • BPA-Free and Food Grade Approved - These tanks are CSA approved and food grade certified for safe drinking water.
  • Compatible - This tank pairs well with our 29 Gallon Transit Wheel Well Water Tank.

Dimensions & Specifications:

Designed for the Ford Transit, all wheelbases.
Compatible as an interior water tank, for any van. 

The tank can be mounted on the PASSENGER SIDE or DRIVER SIDE. The end of the tank with the 4x fittings (1 x 1 ¼", 1 x ¾", and 2 x ½") usually faces the rear of van, but the tank can be faced in either direction

Tanks are made from linear low-density polyethylene.
Food grade CSA approved and BPA free - safe for freshwater use!

10.43 Gallons / 39.4 Litres

36" x 9.5" x 8" (Length x Width x Height)

1 x 1 ¼" drill-out membrane port (on top)
1 x 1 ¼" drill-out membrane port (on ONE end)
1 x ¾" port (on ONE end)
2 x ½" ports (on ONE end)

The larger 1 ¼" ports are "membrane ports", which require drill-out for use.
The membrane eliminates the need to plug the ports if you don't use them.

All ports are NPT female-threaded.

Freshwater Fittings Kit Add-On - CURRENTLY UNAVAILABLE:

  • 1x 1 ¼" PVC 90
  • 2x ¾" PVC 90
  • 1x ¾" PVC Ball Valve
  • 1x ¾" Nipple - 6" long
  • 1x ¾" Nipple - 4" long
  • 1x ¾" Nipple - 1 ½" long
  • 1x ½" Poly Adaptor
  • 2x ½" Poly Elbows
  • 2x #20 Hose Clamps
  • 2x #8 Hose Clamps
  • 1x Roll of Teflon Tape
  • 1x Fill Port
  • 5ft Fill Hose
  • 5ft ⅝" ID Vinyl Hose

STRAPPING NOT INCLUDED. We suggest using stainless-steel or galvanized steel-slotted strapping with 1/4" riv-nuts to secure the tank to your van's undercarriage. Only use corrosion-resistant strapping, as the strapping will be exposed to moisture.

More Information:

Wheel Well & Undermount Water Tank FAQ Sheet

Check out our Transit Undermount Water Tank (17 Gallon)

Check out our Transit Wheel Well Water Tank (29 Gallon)

Items may be returned within 14 days of delivery. Must be unused, and in original packaging.
You are responsible for return shipping, as well as a $80 restocking fee per item.

Please ship your return to:
Curious Campervans
238 Hastings Ave
Penticton, BC, Canada, V2A 2V6

Email us at when you are submitting a return, so we can watch out for your item. We will issue a refund, less restocking fee, once we receive the item back in resellable condition.