Navien NCB-250/150H – Condensing Combi-Boiler – 250,000 BTU DHW / 210,000 BTU HTG
$1,903.44
Free standard shipping within the United States. Shipping details
Navien NCB-250/150H. Heating input 150,000 BTU/h, AFUE 95%.
- Free U.S. shippingStandard delivery included
- Ships in 1 dayDelivered in 3-5 days
- 30-day returnsUnused, uninstalled items
- Secure checkoutCard and wallet options
Do I have to pay for shipping?
Not at all! We offer Free Standard Shipping on all orders within the United States. There are absolutely no hidden fees or extra costs—the price you see at checkout is the final price delivered to your door.
How long will it take for my order to arrive?
We work hard to get your equipment to you as fast as possible. Most orders are processed within 1 business day, and transit typically takes 2-4 business days. On average, you can expect your package at your doorstep within 3-5 business days.
Can I track my order?
Yes, definitely! As soon as your order ships, we’ll send you a confirmation email with your tracking number.
You can follow your delivery anytime by clicking the “Track Your Order” icon in our website menu. Simply enter your tracking number to see the latest updates on your package’s journey to your door.
The Navien NCB-250/150H covers central heating and domestic hot water from one wall-hung unit, so a separate cylinder is not needed. The figures below are the manufacturer’s published ratings for this model; compare them against the property before ordering.
Published specifications
| AFUE | 95% |
|---|---|
| Heating input | 150,000 BTU/h |
| Net AHRI | 120,000 BTU/h |
| Turndown | 11.1:1 heating, 15:1 DHW |
| Gas type | Field convertible natural gas or propane |
| Controls | Smart controls, NaviLink compatible |
| Installation | Indoor wall-hung |
| Venting | 2 in or 3 in PVC, CPVC, polypropylene or stainless steel |
| Certification | ENERGY STAR certified |
Before you order
Check that the gas supply, venting route, electrical supply and available wall space match the figures above. Gas-fired equipment must be installed and commissioned by a suitably qualified professional, and local codes may require permits or inspection. Aquanorix supplies equipment only and does not carry out installation.
What arrives
The NCB-250/150H is shipped in the manufacturer’s packaging with the documentation and fixings Navien supplies for this model. Any manufacturer warranty is administered by Navien under its own published terms.
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