Navien NWP500-80 Premium 80-Gallon Electric Heat Pump Water Heater (4.05 UEF)
Overview
Save up to $2,000 instantly with federal IRA tax credits (Section 25C) plus local utility rebates when you upgrade to a high-efficiency Navien Heat Pump Water Heater!
The Navien NWP500-80 is the flagship 80-gallon model in Navien's heat pump water heater lineup, designed to provide high-capacity hot water performance for large households and high-demand homes. Delivering an industry-leading 4.05 Uniform Energy Factor (UEF) and an 85-gallon First Hour Rating (FHR), it drastically reduces electrical consumption compared to legacy electric water heaters without sacrificing recovery speed or volume.
Built to last, the NWP500-80 features a premium corrosion-resistant stainless steel tank and coated aluminum condenser coils, completely eliminating the need for a sacrificial anode rod. With top and side $3/4"\text{ NPT}$ connections, ultra-quiet operation (<45dBA).
Key Features & Benefits
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Maximum Efficiency (4.05 UEF): Highest efficiency in the NWP500 series, ENERGY STAR® certified and engineered to meet NEEA AWHS Tier 4 requirements.
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Long-Life Stainless Steel Tank: Highly resistant to corrosion and mineral buildup; eliminates the hassle of anode rod maintenance and replacements.
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High First Hour Delivery: Generates an impressive 85 gallons of hot water in the first hour to handle simultaneous showers and heavy appliance use.
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Versatile Water Connections: Features top and side 3/4 NPT inlet/outlet ports to make installation seamless in both replacement and new construction layouts.
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Smart NaviLink® Integration: Integrated Wi-Fi allows remote management, monitoring, scheduling, and diagnostic alerts from anywhere.
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Grid-Interactive EcoPort™: Built-in CTA-2045 port enables connection to utility demand-response programs for additional energy savings.
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Ultra-Quiet Performance: Operates at less than 45 dBA, ideal for indoor, garage, or utility room placement near living spaces.
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Multiple Operating Modes: Heat Pump, Hybrid/ECO, High Demand, Electric, and Vacation modes adapt to daily family routines or extended travel.
Technical Specifications
General & Performance
| Feature | Value |
| Model Number | NWP500-80 |
| Nominal Tank Capacity | 80 Gallons (302.83L) |
| Rated Storage Volume | 76.1 Gallons (288.07L) |
| Uniform Energy Factor (UEF) | 4.05 |
| First Hour Rating (FHR) | 80 Gallons (321.76L) |
| Noise Level | < 45dBA |
| AHRI Certified Number | 217191099 |
Dimensions & Weight
| Parameter | Value |
| Dimensions (W x H) | 25.0" W x 71.6"H |
| Net Weight | 220 lbs(99.8kg) |
| Shipping Weight | 282 lbs (127.9 kg) |
Electrical & Connections
| Parameter | Value |
| Power Supply | 208-240V AC, 60 Hz Single-Phase |
| Circuit Breaker Amps | 30 Amps |
| Upper / Lower Heating Elements | 5,000W(at 240V) / 3,755W (at 208V) |
| Water / Drain Connections | 3/4" NPT(Hot Outlet, Cold Inlet, Drain, T&P) |
| Air Intake / Exhaust Duct Size | 8" |
| Refrigerant Type | R-134a (28.2 oz / 800g) |
Warranty Information (Residential Single-Family)
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Tank Warranty: 10 Years
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Parts Warranty: 10 Years
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Labor Warranty: 1 Year
This item is available for warehouse pickup only at 30120 Ahern Ave, Union City. We do not offer shipping or delivery for this product.
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Navien NWP500 Heat Pump Water Heater