Looking for a grey water tank to compliment your freshwater tank? Check out our 17 Gallon Undermount Tank! The undermount tank fits snugly under the drivers side of your Transit's framed undercarriage. It's the perfect solution for your off-grid water requirements.

Key Features & Benefits:

• Slim design - Sacrifices ZERO space in your garage.
• Space Saving - A unique way to make efficient use of that awkward wheel well area and shape.
• Build Options - These tanks are interchangeable between both wheel wells. You can fit this tank over whichever wheel well works best for your build. Need more water? Place one on either side of your van for mega-volume!
• Distributes Weight - Adds weight over your rear axle to help increase traction if you get in a sticky spot. No more slips and skids, not to mention unwanted wheel wear, thanks to the perfect weight distribution of these tanks.
• Sound Proofing - When it comes to road noise, these tanks step it up with added noise reduction around your wheel well.
• BPA-Free and Food Grade Approved - Feel safe knowing these tanks are food grade CSA approved! Wash the dishes, have a shower, fill the dog bowl, and stay hydrated, while exploring in your van!
• Fittings Kit Add-On Available - Save yourself the headache and multiple trips to the plumbing store when you bundle this tank with our Freshwater Fittings Kit!
• Strapping Kit Add-On Available - Weather-resistant strapping crafted from heavy-duty 1/8" thick, 1 1/2" wide aluminum. Simple and secure! 
• Water Level Sender & Gauge Kit Add-On Available - This water tank has a fitting specifically designed for use with the KUS S5U Water Level Sender!
• Compatible - Pairs well with our  17 Gallon Undermount Tank!.
• Dimensions & Specifications:

Designed for the all Transit wheelbases.

Tank can be placed on either the PASSENGER SIDE or DRIVER SIDE of the van.
Fits around the wheel well with or without flooring installed in the van.

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

16 US Gallons / 60.5 Litres

41” 8.5” 21” (Length x Width x Height)

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

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.

Fresh Water Fittings Kit Add-On:

• 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

Aluminum Strapping Kit Add-On:

• Specifically designed for your Transit Pistol Wheel Well Water Tank
• Kit includes 2x Heavy-Duty Aluminum Straps & Aluminum Mounting Hardware

More Information: 

Wheel Well & Undermount Water Tank FAQ Sheet

Full Details of the Fresh Water Fittings Kit Add-On
Select this add-on with your tank purchase and save $$ vs buying separately!

Full Details of the Aluminum Strapping Kit Add-On
Select this add-on with your tank purchase and save $$ vs buying separately!

Install Instructions:

Freshwater Fittings Kit Install Instruction