
Condensing · Natural gas · Indoor
KNG199ICW
Condensing indoor tankless with a 304 stainless steel heat exchanger.
The KNG199ICW is a 199,000 BTU indoor, condensing natural gas tankless water heater with a 304 stainless steel heat exchanger. Higher efficiency at 0.96 UEF; requires a condensate drain.
- Input
- 199,000 BTU
- Efficiency
- 0.96 UEF
- Heat exchanger
- 304 stainless
- Condensate
- Drain required
Natural gas only. Not for propane. Have an installer confirm gas line size, venting, condensate drain and water connections before you buy.
$2,149.99
Equipment price, USD
Available online · Store snapshot
- Free shipping on orders over $400
- Installation not included
- Taxes and final total shown at Shopify checkout
For more than 10 units, call 1-855-855-4647.
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Add the KSCALS scale inhibitor system to your KNG199ICW order to receive it free. KSCALS is not added automatically and will not be shipped unless it is included in your order.
Comparing? KNG199INW · $999.99 or compare side by side.
Specifications
Cabinet measurements are from the manual’s Physical Dimensions & Components drawing. The input range is from the manufacturer contractor deck; price and efficiency remain from the store listing.
Performance
| Maximum input | 199,000 BTU |
|---|---|
| Input range | 20,000–199,000 BTU/hr |
| Uniform Energy Factor (UEF) | 0.96 |
| Technology | Condensing |
Gas Supply
| Fuel | Natural gas |
|---|---|
| Combustion components | The KNG199ICW uses a BLDC combustion fan and gas proportional valve. |
Physical
| Installation | Indoor |
|---|---|
| Heat exchanger | 304 stainless steel |
| Cabinet dimensions (H × W × D) | 26¾ × 17¼ × 10⅞ in. |
Venting
| Venting & condensate | See installation manual |
|---|
KNG199ICW cabinet dimensions
Cabinet dimensions (H × W × D): 26¾ × 17¼ × 10⅞ in.
Exhaust/intake couplers and gas/water connections project beyond the cabinet. Cabinet dimensions are not service, combustible-material or venting clearances. Have a qualified installer check the full drawing and the required installation clearances; the full installed envelope is not specified here.

| Item | Top view | Front view | Bottom view |
|---|---|---|---|
| A | 10⅞ in. | 26¾ in. | 5⅝ in. |
| B | 10⅜ in. | 2¾ in. | 4⅞ in. |
| C | 6¾ in. | 1¾ in. | 3⅛ in. |
| D | 3⅞ in. | 1¾ in. | 2⅝ in. |
| E | 5½ in. | 17¼ in. | 2 in. |
| F | Not listed | Not listed | 2½ in. |
| G | Not listed | Not listed | 4⅜ in. |
| H | Not listed | Not listed | 4⅛ in. |
| I | Not listed | Not listed | 4⅞ in. |
| J | Not listed | Not listed | 1⅝ in. |
