Rheem Optima mains pressure hot water cylinders have a Colorbond® steel exterior making them suitable for indoor or outdoor installation. The vitreous enamel lining provides  resistance to corrosion from a wide range of water conditions including varying pH levels, high chlorides, hard water and MIC (Microbiological Induced Corrosion) as found in parts of NZ or in areas with untreated bore water. Models range from 180 litre to 400 litre capacity.

• Abundant mains pressure hot water
• Colorbond steel exterior jacket enables either indoor or outdoor installation
• Inner steel cylinder coated with vitreous enamel to suit a wide range of water conditions
• Fitted with a sacrificial zinc/magnesium anode to provide additional corrosion protection to the cylinder in adverse water conditions
• Solstice Green insulation helps maintain the optimum water temperature, reducing energy use and providing economic and environmental benefits
• Designed and manufactured in New Zealand (excluding 400 litre model)
• 300L and 400L models are fitted with non-simultaneous twin elements where only one element will come on at any one time supplying hot water boosting 24 hours a day
• 12 year domestic cylinder warranty