Rheem 400L Optima Mains Pressure Electric Water Heater

$2,752.00 inc GST


Please note: For off shore island or international purchases you will need to create a 'Quote List' or simply contact any store and our friendly team will assist you.

The 400L Rheem twin element cylinder is suitable for both indoor and outdoor installation. This Vitreous Enamel (VE) lined cylinder is fitted with a thicker sacrificial magnesium anode to provide additional corrosion protection to the cylinder against waterborne contaminants.


  • Non-simultaneous twin elements (4.8kW) provide a daytime boost for high demand hot water use
  • Easy like for like replacement - common footprint and fitting locations to older model electric water heaters ensures and easy changeover. Can be installed indoors or outdoors.
  • Dual handed fittings - provides installation flexibility
  • Commercial grade enamel - provides tougher, longer lasting finish than standard enamels
  • Manufactured in Australia
  • 12 year cylinder warranty
Installation Location Approx. Storage Capacity Element Rating # People (Moderate Climate) # People (Cold Climate)
Indoor/Outdoor 400 Litres 2 x 4.8 kW 5-9 4-6
Installation Instructions Download
Rheem Hot Water For Your Home Brochure Download