31 Litre Underslung Tank – VW Transporter T7 2025 Onwards

£105.38 Exc VAT (£126.46 Inc VAT)

Shipping 3 – 5 Working Days
UK Mainland Delivery From £26.50

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Product Description

31 Litre Underslung Tank – VW Transporter T7 2025 Onwards (SKU: T31UBK5). Designed specifically for the VW Transporter T7 (Year 2025 Onwards), this neat 31 Litre underslung tank Tank will sit cleanly in an area on the offside of the vehicle.

Made by water tank experts and developed alongside camper van builders, the 31 Litre Volkswagen Transporter T7 Water Tank comes with the following features;

  • 2 x 1/2″ BSP Inlet – either can be used based on the optimum location for the build
  • 1 x 1/2″ BSP sump outlet for maximum drainage
  • 2 x pre-installed vents
  • 5″ Internal Lid
  • Level sensor recess

Please note – Outlets are ‘drilled’ as standard.

Optional Extras

Complete Fitting Kit (USK31C) – The 31 Litre Underslung Complete Fitting Kit contains the brackets, fittings and plumbing kit to give you everything you need to mount it with ease.

  • Fitting Kit 2 x Brackets, 6 x TEK 3 Screw, 2 x 50mm Square Plate, 2 x M12 x 30 Flanged Hexset, 2 x M12 Washer
  • Plumbing Kit 1 x 1/2″ BSP x 13mm hose tail, 2 x 1/2″ BSP x 13mm 90° hose tail, PTFE tape, 1 x 1/2″ BSP Plug

Water Tank Plumbing Kits

Applicability

  • VW Transporter T7 2025 Onwards
  • Ford Transit Custom 2023 Onwards

Please note – this tank will not fit vehicles with twin sliding doors or Left Hand Drive (LHD) vehicles.

Key Benefits

  • Manufactured in the UK
  • Joint development between industry experts
  • Highly-durable Polymer

Product Information

 31 Litre VW Transporter T7 2025 Onwards Underslung Tank Product Specification Sheet

 VW Transporter T7 2025 Onwards Water Tank Fitting Instructions

View Similar Products

Search all Underslung Tanks >>

Search similar capacity >>

Do you have a question in regards to the Underslung Water Tank Transit? Contact us here.

Product Specification
Weight 5 kg
Dimensions L 1200 x W 160 x H 260 mm
Capacity

Potable Material

Baffled

Outlet Size

Material

Manufacturer

Lid Options

Delivery and Returns

Shipping costs for standard postcodes within UK Mainland are calculated at checkout when a postcode is entered.

Delivery charges are based on current manufacturer and courier rates. In some cases, delivery costs may be subject to confirmation after an order has been placed due to supplier delivery zones or freight changes. If an additional delivery charge applies, the customer will be notified before the order is dispatched and given the option to proceed or cancel the order for a full refund.

Some areas may incur additional charges, including:

  • Scottish Highlands and Islands

  • Isle of Wight, Channel Islands, Isle of Man, Anglesey, Western Isles, Shetland Islands, Orkney Islands, Isles of Scilly

  • Northern Ireland

  • Republic of Ireland

Additional charges may apply for postcodes in these areas:
AB, BT, CA, CT, DD, DG, EH, FK, G, GY, IM, IV, JE, KA, KW, KY, LD, LL, ML, PA, PH, PO 30–41, SA, SY, TD, TN, TR, ZE

If your postcode is listed above, please contact us before ordering for a shipping quote.

Some products are only available for delivery within England & Wales; this will be stated on the product page. If you are outside this area, please contact us for a quotation.


Delivery Lead Times

  • Refer to individual product pages for expected delivery times.

  • Custom orders may take longer; please enquire before ordering.

  • Items on the same order may be delivered separately due to stock locations.

  • If delivery is delayed, we will notify you via email.


Delivery Method

  • All deliveries are kerbside unless stated otherwise.

  • For larger items, customer offloading may be required.

  • Someone must be available to receive and inspect the goods.

  • Goods may be left in a safe place at the customer’s risk; Online Tank Store cannot accept responsibility once goods are left.

Note: By signing for the goods, you confirm that the outer packaging is intact and free from visible damage. Any visible damage must be noted on the delivery paperwork or the delivery refused.

Scheduled delivery times may be accommodated; please add instructions in the Customer Notes section at checkout.


Missing or Faulty Items

If items are missing or arrive damaged:

  1. Contact us within 48 hours of delivery at [email protected]

  2. Provide:

    • Order number

    • Photos of the goods

    • Brief description of the issue

We may require images for the manufacturer to provide replacements.


Delivery Charges & Returns

  • Ensure the product is the correct size and suitable for your intended use.

  • Standard tanks (no customisation) are returnable but subject to a restocking charge and must be returned in A1 condition. Returns may be expensive due to size and weight; please check before ordering.

  • Failed delivery attempts: After one unsuccessful delivery attempt, items will be returned to the depot, and redelivery charges may apply.

  • Special or custom tanks are non-returnable. If the wrong product is ordered or the item is no longer required, it cannot be returned, and no refund will be issued.

Our full returns and refund policy can be found by clicking here.

It is important to us that the items you order are correct for your needs however, we understand that situations and requirements can change. It can be costly to return an order so please ensure you are certain of your requirements before you order and that you have read the returns policy above for details.

Custom Tank – An order is considered ‘custom’ when a non-standard configuration or colour is requested. Custom orders are not eligible for return so please ensure the product is what you require before ordering. By purchasing, you are agreeing to the above terms.

Product Description

31 Litre Underslung Tank – VW Transporter T7 2025 Onwards (SKU: T31UBK5). Designed specifically for the VW Transporter T7 (Year 2025 Onwards), this neat 31 Litre underslung tank Tank will sit cleanly in an area on the offside of the vehicle.

Made by water tank experts and developed alongside camper van builders, the 31 Litre Volkswagen Transporter T7 Water Tank comes with the following features;

  • 2 x 1/2″ BSP Inlet – either can be used based on the optimum location for the build
  • 1 x 1/2″ BSP sump outlet for maximum drainage
  • 2 x pre-installed vents
  • 5″ Internal Lid
  • Level sensor recess

Please note – Outlets are ‘drilled’ as standard.

Optional Extras

Complete Fitting Kit (USK31C) – The 31 Litre Underslung Complete Fitting Kit contains the brackets, fittings and plumbing kit to give you everything you need to mount it with ease.

  • Fitting Kit 2 x Brackets, 6 x TEK 3 Screw, 2 x 50mm Square Plate, 2 x M12 x 30 Flanged Hexset, 2 x M12 Washer
  • Plumbing Kit 1 x 1/2″ BSP x 13mm hose tail, 2 x 1/2″ BSP x 13mm 90° hose tail, PTFE tape, 1 x 1/2″ BSP Plug

Water Tank Plumbing Kits

Applicability

  • VW Transporter T7 2025 Onwards
  • Ford Transit Custom 2023 Onwards

Please note – this tank will not fit vehicles with twin sliding doors or Left Hand Drive (LHD) vehicles.

Key Benefits

  • Manufactured in the UK
  • Joint development between industry experts
  • Highly-durable Polymer

Product Information

 31 Litre VW Transporter T7 2025 Onwards Underslung Tank Product Specification Sheet

 VW Transporter T7 2025 Onwards Water Tank Fitting Instructions

View Similar Products

Search all Underslung Tanks >>

Search similar capacity >>

Do you have a question in regards to the Underslung Water Tank Transit? Contact us here.

Product Specification
Weight 5 kg
Dimensions L 1200 x W 160 x H 260 mm
Capacity

Potable Material

Baffled

Outlet Size

Material

Manufacturer

Lid Options

Delivery and Returns

Shipping costs for standard postcodes within UK Mainland are calculated at checkout when a postcode is entered.

Delivery charges are based on current manufacturer and courier rates. In some cases, delivery costs may be subject to confirmation after an order has been placed due to supplier delivery zones or freight changes. If an additional delivery charge applies, the customer will be notified before the order is dispatched and given the option to proceed or cancel the order for a full refund.

Some areas may incur additional charges, including:

  • Scottish Highlands and Islands

  • Isle of Wight, Channel Islands, Isle of Man, Anglesey, Western Isles, Shetland Islands, Orkney Islands, Isles of Scilly

  • Northern Ireland

  • Republic of Ireland

Additional charges may apply for postcodes in these areas:
AB, BT, CA, CT, DD, DG, EH, FK, G, GY, IM, IV, JE, KA, KW, KY, LD, LL, ML, PA, PH, PO 30–41, SA, SY, TD, TN, TR, ZE

If your postcode is listed above, please contact us before ordering for a shipping quote.

Some products are only available for delivery within England & Wales; this will be stated on the product page. If you are outside this area, please contact us for a quotation.


Delivery Lead Times

  • Refer to individual product pages for expected delivery times.

  • Custom orders may take longer; please enquire before ordering.

  • Items on the same order may be delivered separately due to stock locations.

  • If delivery is delayed, we will notify you via email.


Delivery Method

  • All deliveries are kerbside unless stated otherwise.

  • For larger items, customer offloading may be required.

  • Someone must be available to receive and inspect the goods.

  • Goods may be left in a safe place at the customer’s risk; Online Tank Store cannot accept responsibility once goods are left.

Note: By signing for the goods, you confirm that the outer packaging is intact and free from visible damage. Any visible damage must be noted on the delivery paperwork or the delivery refused.

Scheduled delivery times may be accommodated; please add instructions in the Customer Notes section at checkout.


Missing or Faulty Items

If items are missing or arrive damaged:

  1. Contact us within 48 hours of delivery at [email protected]

  2. Provide:

    • Order number

    • Photos of the goods

    • Brief description of the issue

We may require images for the manufacturer to provide replacements.


Delivery Charges & Returns

  • Ensure the product is the correct size and suitable for your intended use.

  • Standard tanks (no customisation) are returnable but subject to a restocking charge and must be returned in A1 condition. Returns may be expensive due to size and weight; please check before ordering.

  • Failed delivery attempts: After one unsuccessful delivery attempt, items will be returned to the depot, and redelivery charges may apply.

  • Special or custom tanks are non-returnable. If the wrong product is ordered or the item is no longer required, it cannot be returned, and no refund will be issued.

Our full returns and refund policy can be found by clicking here.

It is important to us that the items you order are correct for your needs however, we understand that situations and requirements can change. It can be costly to return an order so please ensure you are certain of your requirements before you order and that you have read the returns policy above for details.

Custom Tank – An order is considered ‘custom’ when a non-standard configuration or colour is requested. Custom orders are not eligible for return so please ensure the product is what you require before ordering. By purchasing, you are agreeing to the above terms.