The CU series from Rinnai is precision-engineered to provide endless hot water for the most demanding of applications such as restaurants, hospitality, education institutions, multifamily residential buildings, and more. The CU tankless water heater is designed for indoor installation and is WiFi-ready to monitor performance across multiple units to ensure uptime is maintained. Multiple venting options offer installation flexibility to meet your existing layout or for new build optimization.

The CU series from Rinnai is precision-engineered to provide endless hot water for the most demanding of applications such as restaurants, hospitality, education institutions, multifamily residential buildings, and more. The CU tankless water heater is designed for outdoor installation and is WiFi-ready to monitor performance across multiple units to ensure uptime is maintained. Multiple venting options offer installation flexibility to meet your existing layout or for new build optimization.