Navien NCB-250/150H High efficiency Condensing Combi-Boiler
$187.50 USD
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On every order, no minimum
On every order, no minimum
Fast Dispatch
Ships in 1–2 business days
Ships in 1–2 business days
Delivery 4–7 Days
Tracked to your door
Tracked to your door
60-Day Returns
No restocking fees
No restocking fees
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High demand — selling faster than usual. Order today for dispatch within 1–2 business days.
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- Total Delivery Time: 4–7 Business days
- 90 Days Return Window
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Navien NCB-250/150H 210,000 BTU DHW 150,000 BTU HTG Condensing Combi-Boiler
The NCB-250/150H is a high efficiency boiler and tankless water heater all in one unit that can provide whole house heating and endless hot water for your home. The 250/150H has a DHW flow rate of 8.4 GPM at a 45 degree temperature rise. Navien combi units are efficient and reliable making them a fantastic choice as an upgrade for all your heating and hot water needs.
Features:
- Smart controls LCD display, quick dial wheel & Setup Wizard
- Field convertible NG to LP system up to 10,100 ft.
- Advanced stainless steel dual heat exchangers
- Dual stainless steel heat exchangers
- Capable of cascading up to 15 NPE water heaters
- Capable of common venting up to 7 NPE water heaters
- Built-in 3 zone pumps and 3 zone valves powered connections
- 2” PVC venting up to 65′ and 3” venting up to 150′
Specifications:
- 17.3″ W x 29.3″ H x 12.8″ D
- 87 Lbs
Note:
Navien is not affiliated with Tankless Store Direct and does not support or warranty products on our website.

