# Water Tank Module 2.0 (WTM 2.0)
The Water Tank Module 2.0 can store 35 litres of clean water for the electrolyser. The water tank is rack mountable into a standard 19” cabinet. It can be filled by the Enapter Water Purification System or a suitable clean water supply. The tank contains a pump system to supply up to seven AEM electrolysers with clean water.
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