The Vaillant uniSTOR 250L pre-plumbed cylinder is made for quick, simple installation and comes with simple inline connections and a mounting plate for controls that is scaled to fit its heat pump interface. This ready-plumbed vertical cylinder is constructed with sturdy stainless steel, and it incorporates an emergency backup immersion for continuous usage and a smooth bore coil to lower the possibility of scale buildup and assure quiet operation. The uniSTOR includes disguised cabling for a cleaner, finished appearance after installation and is suitable for floor-mounted installation.