Navien NPE-240S2-NG Tankless Condensing Water Heater – 199,000 BTU & Max 11.1 GPM
Navien NPE-240S2-NG Tankless Condensing Water Heater – 199,000 BTU & Max 11.1 GPM
Navien NPE-240S2-NG Tankless Condensing Water Heater – 199,000 BTU & Max 11.1 GPM
Navien NPE-240S2-NG Tankless Condensing Water Heater – 199,000 BTU & Max 11.1 GPM
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The Navien NPE-240S2-NG is a top-performing 199,000 BTU condensing tankless water heater engineered to deliver powerful, continuous hot water for larger homes and high-demand applications. With flow rates up to 11.1 GPM, this ultra-efficient unit easily supports multiple fixtures running simultaneously while maintaining consistent temperature output.
Built with stainless steel heat exchangers for long-lasting durability, the NPE-240S2-NG offers flexible installation options, including 2" Schedule 40 PVC venting up to 75 ft and ½" gas line capability for simplified retrofits. Its compact, wall-mounted design frees up space while providing industry-leading efficiency and reliability.
Key Features
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199,000 BTU high-efficiency condensing performance
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Up to 11.1 GPM for multi-fixture residential demand
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Stainless steel heat exchangers for longevity
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1/2" gas line capable up to 24 ft
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2" PVC venting up to 75' for easy, low-cost installs
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Low NOx emissions (20 ppm)
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Indoor or outdoor installation
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Endless hot water with a true tankless design
A proven, dependable choice for remodels, new construction, and tank-to-tankless upgrades—ideal for plumbers and homeowners needing strong performance and long-term efficiency.
At Apex Supply Company, we offer local pickup, local delivery, and nationwide shipping.
| BtuH Water Heaters | 199000 BtuH |
|---|---|
| Cold Inlet Type | NPT |
| CommercialResidential | Commercial/Residential |
| Condensing | Tankless |
| Depth (in.) | 13.2 in |
| Energy Factor Water Heaters | 0.96 |
| Features |
|
| Fuel Type Water Heaters | Natural Gas |
| Gas Inlet Size | 3/4 in |
| Gas Inlet Type | NPT |
| GPM 35F Rise | 11.2 GPM |
| GPM 45F Rise Water Heaters | 8.7 GPM |
| GPM 90F Rise | 4.4 GPM |
| Height (in.) | 27.4 in |
| Ignition Type Water Heaters | Electronic |
| Maximum Water Pressure | 150 PSI |
| Minimum Water Pressure | 15 PSI |
| Mounting Type | Wall-Hung / Racks |
| Operating Voltage | 120 V AC |
| Type | Standard |
| UPC | 884954920894 |
| Vent Connection Size | 2 in, 3 in |
| Vent Type | Forced Draft Direct |
| Width (in.) | 17.3 in |
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