Navien NPE-180S, 8.4 GPM Condensing Gas Tankless Water Heater
*½ gas pipe capable up to 24' *Field convertible gas system *Ultra condensing efficiency *Dual stainless steel heat exchanges *Low NOx emissions (20ppm) *SCH 40, 2" venting up to 60' *Cascading capable THIS MODEL IS FOR USE WITH NATURAL GAS OR PROPANE Navien's NPE-A Series Condensing Tankless Water Heaters offer an endless supply of hot water. These condensing tankless water heaters provide hot water on demand. It is achieved by activating the unit the second you open a hot water tap, supplying you with an endless supply of hot water. Features Optional internal circulation mode eliminates minimum flow rate requirement. Minimize the so called “Cold Water Sandwich”, hot/cold/hot stacking. Reduced time to get hot water helps conserve water. Built-in circulation pump and buffer tank saves on installation costs. Ultra Condensing Efficiency Navien’s Condensing Technology provides high efficiency. Energy and money savings over tanked and traditional water heaters. Two Stainless Steel Heat Exchangers Higher resistance to corrosion and erosion compared to copper heat exchangers provides longer life expectancy. Cuts down on mineral deposits. Low NOx Emissions (≤ 20ppm) Consistent air/gas mixture is delivered by new metal fiber burner design, improving combustion efficiency. Less green house effect, less acid rain. SCAQMD 1146.2 strict NOx emissions standard compliant. 2” PVC, CPVC, Polyprophylene Venting Up To 60’ Run Flue can be pulled through the existing vent with 2” venting option. Use 3” vents up to 150’ with standard 2” x 3” adapters. Utilizes Existing 1/2" Gas Line Better adaptability to low gas pressure applications due to negative pressure gas valve and fan with dual venturi operation. NPE models can be installed ½” gas lines up to 24’. Field Convertible NPE models easily converted from NG to LP. (Conversion Kit Included) Less Water Press Drop Water pressure drop minimized by simple modular for water path. Modular design for water path allows for easy maintenance and field service. Intelligent Preheating Technology Intelligently provides hot water when needed by detecting hot water usage patterns. Navien's Ready Link Cascade System Connect multiple units in parallel for larger applications Built in controls for multi-unit system allowing for easy operation. Additional control boards are not required, lowering installation cost. Easily connect units and easy setting of the parent and child for multi-unit system. Cascade as many groups as you want, linking 16 units as one group. Ensure on-demand hot water in any and all situations by cascading, allowing for added redundancy. Compact wall-hung design allows multi-unit system installation even in small areas. Can be used in hospitals, beauty shops, hotels, schools, health centers, restaurants, and more. Front Panel Command Center Self-diagnostics Display water flow rate and temperature Display cascade operation status Display temperature in °F or °C Easy to use interface Easy to setup Water Heater Specifications Heat Capacity (Input) Minimum/Maximum Natural Gas Rate Input BTUs (Heating): 19,900-199,000 BTU/H Minimum/Maximum Propane Rate Input BTUs (Heating): 19,900-199,000 BTU/H Flow Rate (DHW) 35°F(19°C) Temp Rise: 11.2 GPM (42 L/m) Flow Rate (DHW) 45°F(25°C) Temp Rise: 8.7 GPM (33 L/m) Flow Rate (DHW) 77°F(43°C) Temp Rise: 5.1 GPM (19 L/m) General Water Heater Data Manufacturer: Navien SKU: NPE-240A Manufacturer's Part Number: NPE-240A Dimensions: 17.3"(W) x 27.4"(H) x 13.3"(D) Weight: 82 lbs (37 kg) Installation Type: Indoor or Outdoor Wall-Hung Venting Type: Forced Draft Direct Vent Ignition: Electronic Ignition Water Pressure: 15-150 PSI Natural Gas Supply Pressure (from source): 3.5"-10.5" WC Propane Supply Pressure (from source): 8.0"-13.0" WC Natural Gas Manifold Pressure (min to max): -0.04" WC to -0.58" WC Propane Manifold Pressure (min to max): -0.02" WC to -0.78" WC Minimum Flow Rate: 0 GPM (0 L/m) Approved Fuel Type: Natural Gas or Propane (NG to LP Conversion Kit Included) Energy Factor Ratings: 0.97% (NG/LP) Connection Sizes Cold Water Inlet: 3/4" NPT Hot Water Outlet: 3/4" NPT Recirculation Inlet: 3/4" NPT Gas Inlet: 3/4" NPT Condensate Outlet: 1/2" NPT Power Supply Main Supply: AC 120 Volts, 60 Hz Maximum Power Consumption: 200W (up to 2 amperes), 350W (up to 4 amperes) with external pump connected Materials Casing: Cold Rolled Carbon Steel Heat Exchangers: Primary Heat Exchanger: Stainless Steel - Secondary Heat Exchanger: Stainless Steel Venting Exhaust: 2" or 3" PVC, CPVC, Polypropylene - 2" or 3" Special Gas Vent Type BH (Class II, A/B/C) Intake: 2" or 3" PVC, CPVC, Polypropylene - 2" or 3" Special Gas Vent Type BH (Class II, A/B/C) Vent Clearances: 0 Inch to Combustibles Approved Venting Materials: PVC, CPVC, Polypropylene Built-In Safety Devices Flame Rod APS Ignition Operation Detector Water Temperature High Limit Switch Exhaust Temperature High Limit Sensor Power Surge Fuse Included Accessories 1 - Installation & Operation Manual 1 - Quick Installation Manual 1 - Wall Mounting Bracket 4 - Tapping Screws & Anchors 2 - 2” Vent Termination Caps 4 - 2” Wall Flanges 1 - Natural Gas to Propane Conversion Kit *ALL ITEMS MUST BE PROFESSIONALLY INSTALLED* This unit must be professionally installed. There will be no exceptions to this policy. Improper installation of this unit will result in injury or death. This is a gas appliance which can cause great harm to you or your family if installed improperly. We make no claims regarding local building codes or approvals.
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