Navien NHW-AI Series 199 MBH Indoor Non-Condensing Natural Gas Tankless Water Heater
$798.00 Original price was: $798.00.$399.00Current price is: $399.00.
- Stainless steel hex
- Built-in pump and buffer tank
- Residential & commercial applications
- Built-in recirculation pump & buffer tank
- NaviTech stainless steel heat exchanger and burner
- Interior unit for indoor installations
- NaviVent 3" x 5" concentric venting
- Available in NG or LP
- Cascading capable
- Low NOx emissions (20 ppm)
| Weight | 65 lbs |
|---|---|
| AMP | 1.5 / 5 |
| BTU | 199000 |
| MBH | 199 |
| NSF | NSF 5 |
| Depth | 10-3/10 in |
| Volts | 120V |
| Watts | 115 W |
| Width | 17-3/10 in |
| Height | 26-1/2 in |
| Weight | 65 lb |
| Emission | Low NOx |
| Flow Rate | 7.4 gpm |
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- Fast U.S. ShippingShips in 1–3 business days
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Product Highlights
Professional Grade
Built for reliable, repeated use.
Quality Checked
Product information verified against manufacturer specifications.
Fast U.S. Shipping
Ships from our configured U.S. fulfillment network.
Secure Checkout
Encrypted payment processing for every order.
Easy Returns
Simple 14-day return policy.
Stainless steel hex
Built-in pump and buffer tank
Residential & commercial applications
Built-in recirculation pump & buffer tank
NaviTech stainless steel heat exchanger and burner
Interior unit for indoor installations
NaviVent 3" x 5" concentric venting
Available in NG or LP
Cascading capable
Low NOx emissions (20 ppm)
Shipping Summary
| Shipping Destination | United States |
| Shipping Cost | Free Shipping |
| Order Cut-off Time | 2:00 PM (Eastern Time) |
| Processing Time | 1–3 Business Days |
| Transit Time | 2–5 Business Days |
| Estimated Delivery | 3–8 Business Days |
| Business Days | Monday – Friday |
| Shipping Carriers | USPS, UPS or FedEx |
Order Processing
Orders are processed after successful payment confirmation. Orders placed before 2:00 PM Eastern Time are reviewed according to our normal processing schedule.
Processing generally requires 1–3 business days before an order is prepared for shipment. Processing time does not include transit time.
Orders are processed Monday through Friday, excluding weekends and public holidays.
Shipping Carriers
To provide reliable delivery throughout the United States, BookSunrise works with trusted shipping carriers. The carrier selected for your shipment depends on the destination, package size, product type, and service availability.
| Primary Carriers | USPS, UPS, and FedEx |
| Carrier Selection | Determined according to operational availability and delivery requirements. |
| Delivery Area | United States only. |
Shipping Restrictions
At this time, BookSunrise ships only to addresses located within the United States.
We currently do not offer:
- International shipping.
- Military APO/FPO addresses (where carrier limitations apply).
- P.O. Boxes for products that require physical delivery by specific carriers.
- Local pickup.
- In-store collection.
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