Get the exceptional performance of Rheem tankless water heaters at a fraction of the cost with our Open Box selection. These units offer the same dependable Rheem quality, providing endless hot water on demand and superior energy efficiency. Designed for residential and commercial applications, Rheem tankless water heaters are compact, space-saving, and built to meet the demands of high-usage environments. Each open box unit is carefully inspected and tested to ensure it operates at peak performance, so you can enjoy premium hot water solutions without the premium price. Whether upgrading or installing new, these open box units offer a cost-effective choice for anyone seeking reliable, tankless hot water.