This undermount tank is designed to fit snugly under the driver side of your Sprinter'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 van's interior. Rest easy knowing this tank is food-grade CSA certified and BPA-free.

Looking for more volume? Check out our 17 Gallon Sprinter 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 Sprinter Wheel Well Water Tank! Have a dually? no problem! Check out our 32 Gallon Sprinter Dually Wheel Well Water Tank!

Key Features & Benefits: 

• Save Space - Mount underneath your van chassis for extra storage room inside your van - driver or passenger side.
• Perfect Fit - Designed to fit perfectly under the Sprinter 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.
• Fittings Kit Add-On Available - Save yourself the headache and multiple trips to the plumbing store when you bundle this tank with our Grey Water Fittings Kit or Fresh Water 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 - This tank pairs well with our 29 Gallon Sprinter Wheel Well Water Tank., or with our 32 Gallon Sprinter Dually Wheel Well Water Tank!

The strapping kit is not compatible for 144" Sprinters. Only 170".

Dimensions & Specifications:

Designed for the Mercedes Sprinter, all wheelbases.
Compatible as an interior water tank, for any van. 

This water tank can be mounted on the PASSENGER SIDE or DRIVER SIDE of your van. PLEASE NOTE that our aluminum strapping kit is compatible with the PASSENGER SIDE ONLY. If you want to mount this tank on the driver side, we suggest using aluminum 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. Alternatively, please check out our Sprinter 17 Gallon Undermount Water Tank and strapping kit which is designed for the 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 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 ONE end)
1 x ¾" port (on ONE end)
2 x ½" ports (on ONE end)

The larger 1 ½”  and 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.

Grey 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 Adaptors
• 1x ½" Poly Elbow
• 1x ½" PVC Plug
• 2x #20 Hose Clamps
• 1x #8 Hose Clamps
• 1x Roll of Teflon Tape
• 5ft Fill Hose
• 2ft ⅝" ID Vinyl Hose

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 Sprinter Undermount Water Tank
• Kit includes 2x Heavy-Duty Aluminum Straps & Aluminum Mounting Hardware

Please Note: the Aluminum strapping kit is for the PASSENGER SIDE ONLY.

More Information:

Wheel Well & Undermount Water Tank FAQ Sheet

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

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!

Check out our Sprinter Undermount Water Tank (17 Gallon)

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

Check out our Sprinter Dually Wheel Well Water Tank (32 Gallon)

Install Instructions:

Freshwater Fittings Kit Install Instruction
Grey Water Fittings Kit Install Instruction
Strapping Kit Install Instructions for Sprinter 10 Gallon Water Tank (Passenger Side)

Designed for the Mercedes Sprinter, all wheelbases.
Compatible as an interior water tank, for any van. 
This water tank can be mounted on the PASSENGER SIDE or DRIVER SIDE of your van. PLEASE NOTE that our stainless-steel strapping kit is compatible with the PASSENGER SIDE ONLY. If you want to mount this tank on the driver side, 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. Alternatively, please check out our Sprinter 17 Gallon Undermount Water Tank and strapping kit which is designed for the driver side. 

This strapping kit is ONLY COMPATIBLE with Sprinter 170".

Is this tank compatible with a water level sensor?
Yes! Check out our KUS Water Level Sensors and Gauges.

Can you recommend a water tank heating pad?
We recommend these heating pads from Amazon: https://www.amazon.ca/Trailer-Holding-Automatic-Thermostat-Control/dp/B01MT9EUG9

Are the 10G and 17G Sprinter Undermount Water Tanks compatible with the T1N Sprinter?
Unfortunately we haven't had the opportunity to measure our undermount water tanks in a T1N Sprinter yet. You'll have to measure the available space under your van and refer to our tank measurements to find out.

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