Promaster Undermount Water Tank (15 Gallon)

Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)
Promaster Undermount Water Tank (15 Gallon)

Promaster Undermount Water Tank (15 Gallon)

Rated 5.0 out of 5
Based on 1 review
Regular price $400.00

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Features
  • Designed for Promaster Vans
  • Fits Snuggly under the Passenger Side of the Promaster
  • Food Grade and BPA Free (CSA Approved)
  • Tank can hold Freshwater or Grey Water
  • Save Space Inside Your Van with this Undermount Tank!

We are always striving for better space-saving ideas, and this undercarriage tank is just the ticket! This tank is designed to fit snugly around your Promaster’s framed undercarriage; these tanks are the perfect solution for your off-grid water requirements.

Composed of high-quality, BPA-free, food-grade approved linear low-density polyethylene, this tank can also function as freshwater storage. We've created a complete Freshwater Fittings Kit that includes everything you need to turn this tank into an undermount freshwater reservoir. 

Complete your off-grid water management system by pairing this undermount tank with our 22 Gallon, or our 32 Gallon Promaster Wheel Well Water Tank. Worry less about water management, and spend more time adventuring!

Key Features & Benefits:

  • Save Space - Mount underneath your van chassis for extra storage room inside your van - passenger side only.
  • Perfect Fit - Designed to fit perfectly under the Promaster 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 and turn this tank into a freshwater reservoir.
  • 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 22 Gallon and 32 Gallon Promaster Wheel Well Water Tanks.

Dimensions & Specifications:

Designed for the Ram Promaster 159" & 159" extended wheelbases.
NOT COMPATIBLE with the 118" or 136" wheelbase.

The tank can only be mounted on the PASSENGER SIDE of your van.
However, your drain hose can be routed to your drivers side if needed.

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

15 US Gallons / 56.7 Litres

45.5" x 13 3/8" x 8" (Length x Width x Height)

1 x 1 ¼" fill port (on right side)
1 x ¾" drain port (on right side)
2 x ½" vent ports (on left side, top of humps)
1 x ½" vent port (on front end, top of hump)
1 x ½" optional water-pump port for freshwater use (on front end, bottom corner)

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
  • 3x ½" Poly Adaptors
  • 1x ½" Poly Elbow
  • 1x ½" PVC Plug
  • 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 Promaster Wheel Well Water Tank (22 Gallon)

Check out our Promaster Wheel Well Water Tank (32 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 support@curiouscampervans.com 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.

average rating 5.0 out of 5
Based on 1 review
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100% of reviewers would recommend this product to a friend
Review posted
Reviewed by Julien P.
Verified Buyer
Rated 5 out of 5

Tank for Promaster 3500

Perfect 10/10

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