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Navien NHW-AI Series 199 MBH Indoor Non-Condensing Natural Gas Tankless Water Heater
Original price was: $798.00.$399.00Current price is: $399.00.
R-410A Refrigerant 25 lb
Original price was: $198.00.$99.00Current price is: $99.00.
Navien NPE-S2 Series 199 MBH Indoor/Outdoor Condensing Natural Gas Tankless Water Heater
Original price was: $998.00.$499.00Current price is: $499.00.
Seasonal Sale — Limited-Time Savings
- Stainless steel heat exchanger
- Indoor and outdoor applications
- LP Gas conversion kit included
- Advanced multi-line control panel
- Low nox emissions (20ppm)
- Common vent up to 12 units
- Field convertible gas system
- Designed for use in residential and commercial applications
- Cascading capable
- Built-in HotButton control panel
| Weight | 73 lbs |
|---|---|
| AMP | 2 / 4 |
| BTU | 199900 |
| MBH | 199 |
| NSF | NSF 5 |
| ANSI | ANSI Z21.10.3 |
| Depth | 13-1/5 in |
| Width | 17-3/10 in |
| Weight | 73 lb |
| Emission | Low NOx |
| Flow Rate | 11.2 gpm |
| Fuel Type | Natural Gas |
| UL Listed | No |
Order today — Ships in 1–3 business daysEstimated delivery: 3–8 business days
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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.
Description
Stainless steel heat exchanger
Indoor and outdoor applications
LP Gas conversion kit included
Advanced multi-line control panel
Low nox emissions (20ppm)
Common vent up to 12 units
Field convertible gas system
Designed for use in residential and commercial applications
Cascading capable
Built-in HotButton control panel
Reviews (0)
Shipping and Delivery
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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