
NCB-190/060H – Condensing Combi-Boiler – 160,000 BTU DHW / 60,000 BTU HTG
Model NCB-190/060HTankless Water Heaters
- Free tracked delivery3–5 business days after dispatch to most US addresses; 5–8 to Alaska, Hawaii and US territories.
- 30-day returnsUnused, in its packaging. Faulty or damaged on arrival, we pay the return; a change of mind, you do.
- Secure checkoutPayment is handled and encrypted by Shopify Checkout.
Overview
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.

COMPARE these advantages and see why NCB-H combis are the right fit for small and large homes
![]() Dual stainless steel heat exchangers for heating Durable stainless steel heat exchangers resist corrosion, resulting in longer life and improved heat recovery from flue gases for superior efficiency. |
![]() Up to 5.4 GPM @ 70°F temperature rise for DHW Separate stainless steel flat plate heat exchanger for DHW creates the lightest flow rates for any combi-boiler in the industry. |
![]() Dual Venturi and field gas convertibility Dual Venturi system creates better combustion control and turndown ratio. Orifice conversion kit for easy field gas convertibility from NG to LP is included with every NCB-H Series combi-boiler. |
![]() Easy access to DHW module and valves All components of DHW module including water feed valve, flow adjustment valve, mixing valve and 3-way valve are right behind circuit board for easy serviceability. |
![]() Low noise levels Installations in or near media rooms, recreation rooms or any living areas of the house are possible with the quiet running NCB-H combi-boilers. |
![]() TDR 15:1 for DHW and up to 11:1 for heating The sophisticated gas flow control system provides a high turndown ratio, reducing energy waste and excessive boiler cycling and enhances temperature control for DHW. |
Dual Stainless SteelHeat ExchangerDesigned for exceptionalheating performance and longevityHeating up to150,000BTUs per hour |
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Built-in DHW module now with
higher performance
Navien’s NCB-H generates enough hot water to run up to 3 showers and a dishwasher at the same time.


Expanded DHW Capability
For increased domestic hot water flow demand, the NCB-H can be cascaded and common vented with up to 15 NPE tankless water heaters

ZNS
Good to know
When will it arrive?
Orders placed before 2:00 pm ET on a business day ship the same day from Orlando; Saturday orders before 1:00 pm ET go out that afternoon. After that, it ships the next business day.
Delivery takes 3–5 business days after dispatch to most US addresses, and 5–8 to Alaska, Hawaii and US territories.
Can I return it?
Yes — tell us within 30 days of delivery and send it back unused, in its packaging, for a full refund. If it is faulty, damaged in transit or not as described, we pay the return; if you have changed your mind, the return shipping is yours, and we quote it before anything is booked.
How does Bundle & Save work?
Every item marked Bundle & Save counts (single items under $550), and you can mix them: 2 items save 5%, 3 save 10%, 5 or more save 15%. The saving is taken off automatically in the cart — there is no code to enter.
Do I need to be in for the delivery?
Orders over $150 ship with signature on delivery, so a missing parcel can be claimed. Your tracking number is emailed the moment the label prints.







