A Navien combi-boiler is a high efficiency boiler and tankless water heater all-in-one appliance that can provide whole house heating for small to large homes and endless hot water for up to 3 showers and a dishwasher at the same time. Features Smart controls LCD display quick dial wheel Setup Wizard Advanced stainless steel dual heat exchangers 15:1 DHW and up to 10:1 heating TDR Field convertible gas system NG/LP up to 10100 ft.
- Smart controls LCD display quick dial wheel Setup Wizard.
- Advanced stainless steel dual heat exchangers.
- 15:1 DHW and up to 10:1 heating TDR.
- Field convertible gas system NG/LP up to 10100 ft.
- Capable of cascading up to 15 NPE water heaters.
- Capable of common venting up to 7 NPE water heaters.
- Built-in 3 zone pumps and 3 zone valves powered connections.
- 2″ PVC venting up to 65′ and 3″ venting up to 150′.