Description Standard FeaturesUltra-efficient condensing tankless gas water heater for residential or light commercial useEnergy Star certified—up to 0.96 UEF for maximum energy savingsCompact, wall-mounted design saves floor space and supports flexible installationField convertible for use with natural gas (NG) or liquid propane (LP)Available in four sizes: 120,000, 150,000, 180,000, and 199,900 BTU/hrDelivers up to 5.8 GPM (22 L/min) depending on model and temp riseDual stainless steel heat exchangers for corrosion resistance and extended lifespanBuilt-in EZNav™ digital control panel with backlit display and simple navigationSelf-diagnostics and real-time flow/temp display for faster setup and serviceTurn-down ratio (TDR) up to 15:1—adjusts output based on real demand for energy savingsSmart home compatible—optional NaviLink™ WiFi module enables remote controlQuiet operation with low NOx emissionsMeets SCAQMD 1146.2 emission standardsIntegrated safety features including flame sensor, exhaust temp limiter, and gas leak detectionCertified for indoor installation with direct venting optionsCSA and Energy Star listed Specifications EfficiencyUEF Rating: Up to 0.96Energy Star Certified: YesTurn-Down Ratio: Up to 15:1Emissions: Ultra-low NOx compliant PerformanceMax BTU Input: 199,900 (model NPE-240S2)Hot Water Output: Up to 5.8 GPM at 36°C (65°F) temp riseFuel Type: Field convertible—natural gas or propaneAltitude Rating: Up to 10,100 ft (varies by model/configuration)Water Connections: ¾” NPT TechnologyEZNav™ backlit digital control panel with simple, intuitive interfaceBuilt-in self-diagnostics for easy service and setupDual stainless steel heat exchangers for improved durabilityOptional NaviLink™ WiFi remote access for full control via smartphoneDigital display shows flow rate and temperature in real time ServiceabilityWall-mounted design for easy accessField convertible fuel source (NG/LP)Built-in diagnostics and flow/temp monitoringAccessible components and panel-mounted interface for rapid troubleshooting RequirementsVent Pipe: 2″ or 3″ PVC, CPVC, or polypropylenePower: 120V standard outlet (cord required, not always included)Venting: Direct vent—horizontal or vertical configurations AestheticsModern white case with compact footprintWall-hung for clean installs and optimal space usageUniform dimensions across models: 27.4″ H x 17.3″ W x 13.2″ D
