Hot & cold water tanks, made simply and well.
Wottank designs and manufactures hot, cold, ambient and carbonation tanks for water dispensers — hot & cold from 0.8 to 100L, from first tooling to global shipment.
Four families — hot, cold, ambient, sparkling.
Eighteen standard models listed here — but the real hot & cold range runs 0.8–100L.
Hot tanks
0.8–100LSealed pressure vessels and step-heating units for boiling on demand.
Cold tanks
0.8–100LIce-bank instant cooling and pressure cold bladders.
Ambient tanks
5–10LRoom-temperature water tanks for systems without heating or cooling.
Carbonation tanks
Sparkling · CO₂CO₂-rated carbonation vessels for sparkling water systems.
Not seeing your capacity? Many more models cover 0.8–100L — and we develop custom tanks to your drawing.
Everything we sell, we build ourselves.
Wottank builds thermal water storage components for branded dispenser makers across Europe, the Gulf, and Asia. Tooling, moulding, metalwork, and testing all happen under one roof.
(Add your real founding year, factory location, and a short company story here.)
In-house, end to end.
Four controlled stages, each checked before it moves on.
In-house CNC mould shop and injection fleet for housings, liners, and connectors.
Laser cutting and multi-stage press drawing of stainless blanks, plus automated TIG and laser welding of tank seams and port fittings — validated for pressure and heat cycles.
Density-controlled PU foaming plus EPS, PEF, EPP and VIP (vacuum insulation panel) options — matched to each model's heat retention and space limits.
100% water-pressure test on every unit, plus air-tight, electrical-safety and burn-in checks on every batch.
Tell us what you need.
Share capacity, quantity, and market — we'll reply with pricing and lead time within a business day.