NW Conversions 25 Gallon Ford Transit Wheel Well Water Tank - Center (TR-C-24)
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Flexible returns
Twenty-five gallons, centered over the Transit wheel hump, with ports on both ends so it works on either side of the van.
The centered Transit tank is the flexible one. Ports are duplicated at both ends, so you are not committing to a side until the day you fit it — genuinely useful when the layout is still being argued about in the shop.
Twenty-five gallons at 45" long and 13" deep. Full, about 240 lb. It is the highest-capacity Transit wheel-well tank in the NW Conversions range.
Should you buy this tank, or a different one in the range?
- Buy the TR-C-24 if you want maximum Transit wheel-well capacity and the freedom to choose a side later.
- Buy the TR-L-24 or TR-R-24 if you already know the side and want the arch-hugging offset profile.
- Add a Transit undercarriage tank if 25 gallons is not enough and you have run out of floor.
Confirmed fitment
| Designed for | Ford Transit — centered over the wheel well |
| Side | Either side — ports are duplicated on both ends |
| Other platforms | May fit other makes and models — measure first |
Specifications
| Capacity | 25 gallons |
| Dimensions | 45" L × 16" H × 13" D |
| Dry weight | 28 lb |
| Weight full | Approx. 236 lb including water |
| Material | Rotomolded in the USA from BPA-free, food-grade polyethylene |
| Ports — both ends | (2) 1.5" NPT (spun closed) + (2) 1/2" NPT on either end |
| Ports — top | (1) 1.5" NPT (spun closed) for fill or level sender |
| Manufacturer part number | TR-C-24 |
| Pressurization | Unpressurized — must be vented |
These tanks are not pressure vessels. They must be vented to atmosphere — a sealed tank will balloon on a hot day and collapse inward when the pump draws it down.
What ships to you
- (1) TR-C-24 25 gallon rotomolded tank
- Fittings, hose and mounting hardware sold separately
Installing it: what actually happens
Duplicated ports mean you should decide pump position before you decide tank orientation. Put the pump at the end you intend to draw from and you save a long run of suction hose, which is the part of the system most likely to introduce air.
Everything gets drilled on the bench and rinsed before it goes in the van.
- Pump first, then tank orientation.
- Short suction runs prevent air locks — use the near-end ports.
- Bench-drill, deburr, rinse.
- Plywood pan across the Transit floor ribs; strap over the top.
Questions we get asked about this part
Do I have to drill the ports myself?
On the wheel-well tanks the 1/2" NPT ports arrive open and ready to thread. The 1.5" ports are spun closed at the factory so you only open the ones your plumbing actually uses. Open them with a hole saw on the bench, before the tank goes anywhere near the van, and vacuum the shavings out. Plastic chips inside a fresh water tank are a mistake you only make once.
Does the tank need a vent?
Yes. It is designed to run unpressurized. Run a vent line from the top 1.5" port up above the maximum fill level and out through the floor or a body vent. Skip it and the tank will deform on a hot day, then pull its walls in when the pump runs.
How much weight am I adding to the van?
Water weighs roughly 8.34 lb per gallon, so 25 gallons is about 209 lb of payload once full, on top of the dry weight of the tank. Put that number in your build budget before you order rather than after — it is the most commonly forgotten figure in a van conversion.
Is the part number TR-C-24 or is it a 25 gallon tank?
Both, confusingly. The manufacturer part number is TR-C-24 and the rated capacity is 25 gallons. Order by the part number.
Pairs well with
- Van water tanks and plumbing — the rest of the NW Conversions range
Sold and shipped by Campervan Parts R Us, the parts counter of Noke Van Co. — a working van conversion shop in Roanoke, Virginia. If you are unsure whether this fits your van, email us the year, model and wheelbase and we will check it against a build sheet before you order.