NCB-190/080H - Condensing Combi-Boiler - 160,000 BTU DHW / 80,000 BTU HTG
NCB-190/080H - Condensing Combi-Boiler - 160,000 BTU DHW / 80,000 BTU HTG
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NCB-190/080H - Condensing Combi-Boiler - 160,000 BTU DHW / 80,000 BTU HTG

Regular price $1,562.39
Sale price $1,562.39 Regular price $0.00
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NCB-190/080H - Condensing Combi-Boiler - 160,000 BTU DHW / 80,000 BTU HTG

NCB-190/080H - Condensing Combi-Boiler - 160,000 BTU DHW / 80,000 BTU HTG

Regular price $1,562.39
Sale price $1,562.39 Regular price $0.00
Unit price
Product description

Navien NCB-190/080H - Condensing Combi-Boiler - 160,000 BTU DHW / 80,000 BTU HTG 

The Navien NCB-190/080H is a high-efficiency condensing combi-boiler that delivers both hydronic space heating and domestic hot water from a single, compact wall-hung unit. With a 95% AFUE rating and up to 80,000 BTU/hr heating input, it provides consistent warmth and efficiency for a wide range of home sizes. The domestic hot water system delivers up to 160,000 BTU/hr with a 15:1 turndown ratio and 4.3 GPM flow rate at a 37°C rise, supporting simultaneous use across multiple fixtures.

Constructed with dual stainless steel heat exchangers for long-term durability and corrosion resistance, the NCB-190/080H is equipped with smart control features, built-in pumps, and field conversion capability between natural gas and propane. It supports cascading and common venting with NPE water heaters, making it an adaptable solution for residential heating and hot water needs.

Features:

  • 95% AFUE energy efficiency
  • 160,000 BTU/hr DHW input and 80,000 BTU/hr heating input
  • Dual stainless steel heat exchangers
  • 15:1 DHW turndown ratio
  • Smart control with Setup Wizard and backlit LCD
  • Built-in zone pumps and zone valve terminals
  • Compatible with cascading and common venting setups
  • Field convertible for natural gas or propane
  • Compact wall-hung design
  • Flexible 2" or 3" venting options

Applications:

  • Whole-house hydronic space heating
  • On-demand domestic hot water
  • Homes using natural gas or propane
  • New construction or system replacements
  • Residences requiring compact, wall-mounted heating solutions
  • Installations requiring energy-efficient and low-maintenance operation

 

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.

Navien NCB-H Full House

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
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.

Separate stainless steel flat plate
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 System
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.

DHW Module
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
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.

Gas Flow Control System
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 Steel

Heat Exchanger

Designed for exceptional

heating performance and longevity

Heating up to

150,000

BTUs per hour

 Dual Stainless Steel Heat Exchanger

 

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.

NCB-H Module

DHW up to 210,000 BTUs per hour

 

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

Cascading DHW Capabilities

 

 

ZNS
Free Delivery on orders
Free Delivery on orders
Free Delivery on orders

+1530 Review

Happy Customers

Michael Anderson

Feels like quality equipment

Right out of the box, this mower felt like a quality piece of equipment. Everything feels solid and well put together. After using it for a while, the performance has been consistent and the cut has looked great every time.

James Bennett

A big step up from my old mower

I replaced an older mower that was becoming more trouble than it was worth, and I’m glad I made the switch. This one is easier to operate, cuts much more evenly, and feels considerably better built. So far, it’s been a really good upgrade.

Robert Mitchell

Makes mowing a lot easier

I’ve been really happy with this mower so far. It starts easily, feels solid, and does a great job keeping the lawn looking clean. The controls are simple and it’s comfortable to use, even when I have a lot of grass to cut.

Daniel Carter

Simple, reliable, and effective

This Honda has been exactly what I was looking for. It starts without any fuss and gives the lawn a nice, even cut. I appreciate how straightforward everything is. No unnecessary complications, just a mower that does what it’s supposed to do.

Christopher Wilson

Does the Job

Simple, reliable, and easy to use. It handled my yard without any issues.

David Thompson

Worth It

Good performance without making things complicated. It cuts nicely and has been very reliable so far.

Matthew Harrison

Great Cut

Very happy with how clean and even the cut is. Starts easily and feels solid.

William Parker

Clean cut every time

Really impressed with how evenly this mower cuts. I’ve used it on both shorter and slightly taller grass and it handled everything without a problem. It also feels well built and much more substantial than some of the cheaper mowers I’ve owned.

William Parker

Andrew Collins

I’ve always heard good things about Cub Cadet, and this mower has lived up to my expectations. It feels sturdy, handles the yard nicely, and gives me a consistent cut. Definitely feels like something that was built to be used regularly.

Brian Peterson

Smooth and Powerful

The engine has plenty of power and the mower feels smooth while running. Good machine overall.

Kevin Richardson

Easy to Handle

I like how easy it is to maneuver, especially around trees and tighter areas. Cuts really well.

Jason Miller

Built to Last

Feels sturdy and well made. I’ve used it several times now and it has performed great every time.

13. Steven Morgan

Makes mowing enjoyable

I didn’t expect to actually enjoy mowing the lawn, but this mower changed that. It’s comfortable, easy to control, and handles the yard smoothly. After using it several times, I’m very happy with the purchase.