American Standard TCWH199S-AS-NG 199,000 BTU Tankless Natural Gas Ultra Low Nox Condensing Water Heater
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<b>[Product Information]</b><br>
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<li>Superior thermal efficiency - with energy conservation in mind, these units maintain an impressive 96% efficiency rating</li>
<li>Certified - these units hold both ANSI z2.1.10.3/csa 4.3 certifications and are designed for indoor wall mounting</li>
<li>Durable - both the primary and secondary heat exchangers are constructed of 304 Grade stainless Steel</li>
<li>Eco friendly - ultra low NOx combustion system compatible for both natural gas and liquid propane. These units are also field convertible from one gas source to another</li>
<li>Energy Star & ETL certified - uses 14% to 55% less energy than equipment that meets minimum federal standards</li>
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