Navien NCB-190/060H – Condensing Combi-Boiler – 160,000 BTU DHW / 60,000 BTU HTG
The Navien NCB-190/060H is a high-efficiency condensing combi-boiler that delivers both space heating and domestic hot water in one compact unit. With a 95% AFUE rating and a 15:1 turndown ratio for DHW, this boiler provides precise performance and significant energy savings. It features dual stainless steel heat exchangers, built-in controls, and flexible venting options. The unit is field convertible for use with natural gas or propane and is suitable for small to large homes, capable of supporting up to three showers and a dishwasher simultaneously.
Specifications:
- DHW Input: 10,000 to 160,000 BTU/hr
- Heating Input: 60,000 BTU/hr
- AFUE: 95%
- Flow Rate: 4.1 GPM at 70°F rise
- Venting: 2″ up to 65 ft or 3″ up to 150 ft (PVC, CPVC, or polypropylene)
- Dimensions: 17.3″ W x 12.8″ D x 29.3″ H
- Weight: 88.2 lbs
- Gas Type: Field convertible (natural gas or propane)
- Controls: LCD display with Setup Wizard
- Built-in: Pumps and connections for 3 zone pumps and 3 zone valves
Applications:
- Space heating and domestic hot water for residential homes
- Compatible with cascade and common venting configurations using NPE water heaters
Aim high with Navien…
High efficiency, High output, High performance, all in one compact combi
- Highest DHW maximum BTU’s in residential combi-boilers…up to 210,000 per hour
- Highest DHW flow rate @ 70°F rise…up to 5.4 GPM
- Highest number of BTU sizes for the North American residential combi-boiler market
- Highest residential combi DHW TDR…15:1 for all models
- Highest residential combi heating TDR… up to 11:1
- Highest number of built-in zone controls for valves or pumps… up to three
- Highest full lineup 2″ PVC venting lengths… up to 65 feet
- Highest number of cascade capable units with NPE tankless water heaters… up to 15
- High altitude certification… up to 10,100 feet (NG or LP)
- Lowest minimum fire BTU for residential combi-boilers… as low as 10,700
New Navien NCB-H…the complete combi package and no comprimises
Navien’s innovation and technological advancements have done it again. The new NCB-H is taking combi performance to the highest levels. As the competition tries to get closer, Navien ingenuity keeps advancing their lead.




