V2 100 Gallon Slim Buffer Tank — Internally Supported, No Bulge
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Our V2 100-gallon slim buffer tank: the same slim vertical footprint as the V1, redesigned with internal supports so the walls stay flat when the tank is full. This is the buffer tank on our current skid and trailer builds.
- 100 gallons in a 48 in. wide x 13 in. deep x 45 in. tall footprint (48 in. to the top of the lid), about 73 lb empty
- Internally supported walls, no bulging, no sagging straps as it ages
- 42 inches between the 6 x 3 in. bottom cutouts for strap placement
- Heavy-wall construction, about twice the thickness of typical builder tanks
V2 or V1? The V1 100 Gallon Vertical Tank is the original at the same price, an inch thinner and six inches shorter, with two lids, and is the one we use for bleach storage. If load height is not a constraint, buy the V2. Add tank straps and the buffer tank plumbing kit to finish the install.
Common questions
What is a buffer tank for?
It sits between the customer's spigot and your pump so an 8 GPM machine never starves on a 5 GPM hose bib. Without one, the pump cavitates and wears out early. 100 gallons is the right size for one machine up to 8 GPM.
Will it fit under a tonneau or in a van?
At 48 inches to the top of the lid it is taller than most bed rails, so plan on it standing above the rail behind the cab. For low-roof vans and covered beds, look at the shorter V1 or the 50 gallon slim tanks.
Does it ship free?
No. Tanks ship by freight. Call 503-403-6185 or email orders@expertpowerwash.com with your delivery address for a quote, or pick up at our Oregon City store, Monday through Thursday, 8am to 4pm.
See every size in our pressure washing tanks collection.
About Expert Power Wash
Expert Power Wash is a family-owned pressure washing equipment shop in Oregon City, OR, run by Tim and Kristina. Before we built equipment, we ran our own pressure washing business for more than ten years — so the parts and chemicals on our shelves are the ones we trust on real jobs.
Our storefront stocks thousands of parts, chemicals and supplies, most in-stock orders ship the same day, and when you call 503-403-6185 you talk to people who have run this gear.
Freight Shipping & Pickup
This item isn't eligible for free shipping. It ships LTL freight on a pallet, and the freight rate for your region is shown at checkout. Choose Business / Loading Dock if you have a dock, forklift, or help to unload, or Residential with Liftgate and the carrier will lower the pallet to the ground.
FREE local pickup is available at our Oregon City shop, Monday–Thursday 8am–4pm.

