LG High-Efficiency Electric Inverter Heat Pump Water Heater | 58 Gallon | 76 FHR | 3.93 UEF | Water Leak Detection | APHWC501L

The LG APHWC501L 50-Gallon Heat Pump Water Heater delivers exceptional energy efficiency and dependable hot water performance by combining advanced heat pump technology with electric heating elements. Instead of relying solely on electric resistance heating, the integrated DUAL Inverter heat pump captures heat from the surrounding air, helping reduce energy consumption while maintaining a reliable supply of hot water for everyday household use.

Designed for medium-sized households, the APHWC501L features a durable ceramic-coated storage tank, ENERGY STAR® certified performance, integrated water leak detection, EcoPort™ (CTA-2045) Demand Response compatibility, and LG ThinQ® smart connectivity. Multiple operating modes allow homeowners to balance efficiency, recovery speed, and performance while helping lower long-term operating costs.

Product Features

• 50-Gallon Storage Capacity: Delivers dependable hot water for households with moderate to high daily hot water demands.
• DUAL Inverter Heat Pump Compressor: Variable-speed inverter technology optimizes heating performance while helping reduce electricity consumption.
• Hybrid Heat Pump Operation: Combines the heat pump with upper and lower electric heating elements for faster hot water recovery during peak demand.
• ENERGY STAR® Certified: High Uniform Energy Factor (UEF) helps reduce annual operating costs compared to conventional electric water heaters.
• LG ThinQ® Wi-Fi Connectivity: Monitor operation, adjust settings, receive maintenance notifications, and manage the water heater remotely using the LG ThinQ app.
• EcoPort™ (CTA-2045) Demand Response Ready: Supports utility demand response programs and future smart grid integration where available.
• Integrated Water Leak Detection: Helps detect potential water leaks and provides alerts for additional protection and peace of mind.
• Multiple Operating Modes: Includes Heat Pump, Hybrid, Turbo, Vacation, and Electric modes for customized performance and energy savings.
• Ceramic-Coated Steel Tank: Helps resist corrosion and extends the life of the storage tank.
• Washable Air Filter: Easily removable filter helps maintain proper airflow and efficient heat pump operation.
• Front Digital Display: Provides convenient access to temperature settings, operating modes, and system diagnostics.
• Standard 3/4" NPT Water Connections: Simplifies installation when replacing many existing residential electric water heaters.
• Wrapped Condenser Coil: Transfers heat efficiently into the stored water without direct water contact for enhanced reliability.

Heat Pump Water Heater Technology

The LG APHWC501L uses advanced heat pump technology to extract heat from the surrounding air and transfer it into the stored water. Because transferring heat requires significantly less electricity than generating heat through resistance elements alone, hybrid heat pump water heaters can greatly reduce energy consumption while maintaining reliable hot water availability.

During periods of increased hot water demand, the upper and lower electric heating elements automatically assist the heat pump to provide faster recovery and consistent performance for showers, laundry, dishwashing, and other household needs.

Internal Components & Special Features

The APHWC501L incorporates premium internal components engineered for efficiency, durability, and convenient operation.

• EcoPort™ (CTA-2045 Port): Enables participation in compatible utility demand response programs.
• Washable Air Filter: Helps maintain clean airflow for maximum heat pump efficiency.
• DUAL Inverter Compressor: Continuously adjusts compressor speed to improve efficiency while reducing operating noise.
• Digital Control Display: Allows easy adjustment of operating modes and water temperature.
• Upper Heating Element: Provides rapid heating during periods of high demand.
• Lower Heating Element: Supplements the heat pump to improve recovery performance.
• Ceramic-Coated Steel Tank: Helps protect against corrosion and extends tank durability.
• Wrapped Condenser Coil: Maximizes heat transfer efficiency while remaining isolated from the potable water supply.
• Integrated Water Leak Detection: Monitors for potential leaks and provides alerts to help minimize possible water damage.

How Hybrid Heat Pump Water Heaters Save Energy

Unlike conventional electric storage water heaters, hybrid heat pump models move existing heat rather than creating it entirely through electric resistance. This significantly improves overall efficiency and can reduce annual electricity usage while still delivering reliable hot water for daily household needs.

The APHWC501L carries a high Uniform Energy Factor (UEF) of up to 3.93 and offers a First Hour Rating of approximately 76 gallons, providing an excellent combination of efficiency and performance for residential applications.

Demand Response Ready

What Is Demand Response?
Demand Response allows the water heater to adjust when it uses electricity based on utility signals, energy prices, or grid conditions. Instead of using as much energy during periods of high electricity demand, the water heater can shift some energy use to other times while continuing to provide hot water when needed. This can help utilities manage peak electricity demand and may help participating customers take advantage of available energy programs or incentives.

Why It Matters for California Customers
California utilities use demand-response and load-shifting programs to help manage periods of high electricity demand and better utilize available renewable energy. The LG APHWC501D and APHWC801D are designed with Demand Response functionality to support compatible utility programs and energy-management strategies.

Potential California Rebates & Incentives
Qualified California customers may be eligible for rebates or other incentives when purchasing and installing a qualifying heat pump water heater. Available incentives vary by utility service territory, location, program funding, installation requirements, and customer eligibility.

Warranty

The LG APHWC501L includes a manufacturer's limited warranty covering the storage tank and functional components. Always verify local plumbing codes, electrical requirements, condensate drainage, installation clearances, and maintenance recommendations before installation to ensure proper operation and warranty compliance.