Navien NCB-250/150H Condensing Combi-Boiler 250,000 BTU DHW / 150,000 BTU Heating

Name: Navien NCB-250/150H Condensing Combi-Boiler 250,000 BTU DHW / 150,000 BTU Heating
Brand: Navien
SKU: ARZ-000411
Price: 1599.00 USD
Availability: InStock

$1,599

Free freight delivery in 2–4 business days

Ships from our dock in 0–1 business day. The carrier schedules your window.

5-year Geo Point Supply warrantyWhat’s covered
14-day free returnsHow returns work

Secure checkout · Prices in USD · Sales tax calculated at checkout where applicable

01 Overview

Navien NCB-250/150H Condensing Combi-Boiler 250,000 BTU DHW / 150,000 BTU Heating

The Navien NCB-250/150H is a 95% AFUE condensing combi-boiler that combines powerful space heating and on-demand domestic hot water in a single wall-hung unit. With a maximum input of 150,000 BTU/hr and a net AHRI rating of 120,000 BTU/hr, this unit delivers efficient performance for larger residential applications. It offers a 11.1:1 turndown ratio for heating and a 15:1 ratio for hot water, providing responsive modulation based on system demand. The NCB-250/150H is field convertible from natural gas to propane and supports a range of venting materials including PVC, CPVC, polypropylene, and stainless steel. It also features compatibility with Navien's NaviLink smart home controller for remote access and monitoring.

Highlights

95% AFUE high-efficiency rating
150,000 BTU/hr heating input
120,000 BTU/hr net AHRI rating
11.1:1 turndown ratio for space heating
15:1 turndown ratio for domestic hot water
Field convertible between natural gas and propane
Smart controls with NaviLink compatibility
Energy Star certified
Compact wall-mounted design
Compatible with 2" or 3" venting (PVC, CPVC, polypropylene, stainless steel)

Ownership

Sold by Geo Point Supply, an authorized Navien dealer
5-year Geo Point Supply warranty
Installation by a licensed gas, heating or plumbing contractor is required
Free freight delivery: Guaranteed LTL in 2-4 business days, or Expedited White Glove in 1-3

02 Specifications

Measured, in US units.

Confirm cutout, clearance and connection details with your installer.

Model: NCB-250/150H
Type: Combi-boiler
Input: 250,000 BTU/h DHW, 150,000 BTU/h heating
Fuel: Natural gas, field convertible to propane
Efficiency: 95% AFUE
Condition: New
Warranty: 5-year Geo Point Supply warranty

03 Delivery

Free freight delivery, scheduled with you.

0–1 dayWe prepare your orderInspected, packed and handed to the freight carrier. Tracking by email.
SchedulingThe carrier calls youLarge appliances ship by LTL freight; the carrier books a delivery window with you.
2–4 daysDeliveredTo the curb or first dry area. Installation and haul-away are not included.

Before delivery day

Measure doorways, hallways and the installation space.
Check the outlet, circuit or gas connection listed in the specifications.
Inspect the appliance and packaging before signing, and note any damage.

Shipping & delivery details

04 Warranty & returns

Covered by us, from the day it arrives.

5-year Geo Point Supply warranty

Covers defects and malfunctions during normal household use. We repair, replace or refund, and we pay the shipping. Excludes drops, external water damage, misuse and cosmetic wear.

Full warranty