Advanced dual tankless system designed for powerful, continuous hot water performance

The Westinghouse Ultimate Whole-House Bundle featuring the 27kW Electric Tankless Water Heater and the 5.1 GPM Natural Gas Tankless Water Heater offers a powerful, flexible, and energy-efficient solution for modern households that demand consistent hot water. This advanced combination system is engineered to supply hot water on demand without the limitations of traditional storage tanks, helping homeowners achieve reliable comfort, optimized efficiency, and space-saving installation.

Tankless water heaters have become increasingly popular due to their ability to provide endless hot water while reducing energy consumption. Unlike conventional tank models that constantly heat and store water, tankless systems heat water instantly as it flows through the unit. The Westinghouse bundle takes this concept even further by combining electric and natural gas technologies, ensuring adaptability to different household requirements and usage patterns.

This in-depth review explores performance, installation requirements, efficiency advantages, durability, safety features, Wi-Fi functionality, and overall value of this high-performance whole-house hot water system.

Product Overview

The Westinghouse Ultimate Whole-House Bundle includes two complementary tankless water heaters designed to handle demanding hot water usage across multiple fixtures simultaneously. With strong heating power, compact design, and smart technology integration, this bundle is suitable for families, apartments, and larger homes requiring reliable water heating performance.

Key Highlights

• Dual tankless system combining electric and natural gas heating
• Continuous hot water supply for multiple bathrooms and appliances
• Wi-Fi enabled smart control compatibility
• Compact design for wall-mounted installation
• Safety-certified construction for dependable operation
• Energy-efficient technology reduces operating costs
• Advanced temperature modulation prevents fluctuations

Product Data Table

Whole-House Hot Water Performance

The primary advantage of this Westinghouse bundle lies in its ability to provide uninterrupted hot water throughout the entire home. With a powerful output of up to 6.26 gallons per minute from the electric model and 5.1 gallons per minute from the natural gas unit, households can comfortably run multiple fixtures simultaneously.

Typical scenarios include:

• Running two showers at the same time
• Operating a washing machine and dishwasher simultaneously
• Filling bathtubs while maintaining consistent temperature
• Providing hot water to kitchens and bathrooms without delay

The system eliminates the inconvenience of waiting for water to heat or experiencing sudden temperature drops when multiple taps are in use.

Smart Wi-Fi and Voice Control Technology

One of the most innovative features of this tankless system is its integrated Wi-Fi capability. Users can control temperature settings remotely using a smartphone application or voice commands through compatible smart home devices.

Benefits of smart functionality include:

• Adjust temperature remotely
• Turn the unit on or off via mobile app
• Monitor system performance in real time
• Control settings using voice assistants
• Maintain precise temperature accuracy within ±1°F

The LED display and rotary knob provide additional control options directly on the unit, ensuring flexibility for users who prefer manual adjustment.

Energy Efficiency and Cost Savings

Tankless water heaters operate only when hot water is required, reducing unnecessary energy consumption associated with traditional tank heaters. This on-demand heating approach helps minimize electricity or gas usage, resulting in improved efficiency and potential savings on utility bills.

Energy efficiency advantages include:

• Reduced standby heat loss
• Optimized heating performance
• Smart temperature modulation
• Efficient use of electricity and natural gas
• Lower long-term operating costs

The Westinghouse system automatically adjusts heating output depending on water demand, preventing wasted energy and improving overall efficiency.

Compact Space-Saving Design

Traditional water heaters often require significant floor space for large storage tanks. In contrast, the Westinghouse tankless models feature compact, wall-mounted designs that free up valuable room in utility areas, closets, or basements.

The electric model measures only 17 inches high, 13 inches wide, and 4.3 inches deep, making it ideal for modern homes where space optimization is essential.

Advantages of compact installation include:

• Ideal for apartments and small homes
• Clean and modern appearance
• Easy integration into existing plumbing systems
• Flexible placement options
• Reduced clutter in utility spaces

Installation Requirements and Compatibility

The electric APOLO-27kW unit requires specific electrical configurations to ensure safe operation. It is compatible with:

• 3 × 40 AMP double pole breakers
• 3 × 8 AWG wiring
• 240V electrical supply
• Standard 3/4″ NPT water connections

The natural gas model requires indoor installation and connection to a standard residential gas supply system.

Professional installation is recommended to ensure compliance with safety standards and optimal performance.

Safety Features and Certifications

Safety plays a critical role in the design of this Westinghouse bundle. Both units include multiple layers of protection to ensure reliable operation and long service life.

Key safety features include:

• Overheat protection
• Leak detection safeguards
• Dry-fire prevention
• Freeze protection technology
• High voltage protection
• ETL and CSA certifications
• Separated water and electricity pathways
• IPX4 waterproof rating

These safety mechanisms help prevent damage to the unit and provide peace of mind for homeowners.

Consistent Temperature Performance

Maintaining a stable water temperature is essential for comfort and safety. The advanced servo-controlled system in the natural gas model ensures temperature consistency within ±1°F, preventing sudden fluctuations during showers or other high-demand usage.

Benefits include:

• Comfortable shower experience
• Stable temperature output
• Reduced risk of scalding
• Smooth transitions between usage points
• Improved user satisfaction

The electric unit also allows precise temperature adjustments from 86°F to 140°F in 1-degree increments.

Durability and Build Quality

Westinghouse is known for manufacturing durable home appliances, and this tankless bundle reflects that reputation. The materials used in both models are designed to resist corrosion, scaling, and wear over time.

Durability features include:

• High-quality internal components
• Corrosion-resistant design
• Reduced mineral buildup
• Long-lasting heat exchange systems
• Rugged construction for daily use

Proper maintenance can further extend the lifespan of these units, making them a long-term investment for households.

Advantages of Combining Electric and Gas Tankless Systems

Using both electric and natural gas tankless water heaters in one bundle provides flexibility and reliability. This combination allows homeowners to distribute hot water demand efficiently while ensuring backup heating capacity during high usage periods.

Advantages include:

• Increased hot water availability
• Flexible installation configurations
• Reliable performance for large households
• Balanced energy usage
• Reduced risk of hot water shortages

This dual system approach is particularly beneficial for homes with multiple bathrooms or high water consumption.

Ideal Applications

This Westinghouse bundle is suitable for a wide variety of residential scenarios:

• Single-family homes
• Multi-bathroom houses
• Apartments
• Small commercial spaces
• Rental properties
• Renovation projects
• Energy-efficient home upgrades

Households seeking continuous hot water and smart control functionality will benefit most from this system.

Pros and Cons

Pros

• Endless hot water supply
• Dual heating technology for flexibility
• Strong flow rate performance
• Wi-Fi and voice control compatibility
• Space-saving compact design
• Certified safety features
• Stable temperature control
• Efficient energy usage
• Suitable for multiple fixtures simultaneously

Cons

• Professional installation recommended
• Electrical upgrades may be required
• Indoor installation required for gas unit
• Initial investment higher than traditional tanks

Maintenance and Longevity

Tankless water heaters generally require less maintenance compared to storage tank systems. However, periodic flushing and inspection can help maintain peak performance.

Maintenance tips:

• Check connections regularly
• Flush system to remove mineral buildup
• Inspect wiring and plumbing annually
• Ensure proper ventilation for gas unit
• Monitor temperature settings

Following manufacturer recommendations helps maximize efficiency and extend product lifespan.

Performance Summary

The Westinghouse Ultimate Whole-House Bundle delivers impressive heating capability through its combination of electric and natural gas tankless technology. With strong flow rates, precise temperature control, compact design, and advanced safety features, this system represents a practical solution for households seeking consistent hot water without interruptions.

The Wi-Fi connectivity adds modern convenience, allowing users to monitor and adjust settings remotely. With durable construction and efficient operation, the bundle offers long-term value for homeowners looking to upgrade their water heating systems.

Conclusion

The Westinghouse Ultimate Whole-House Bundle with 27kW Electric and 5.1 GPM Natural Gas Tankless Water Heaters provides a powerful, efficient, and space-saving solution for continuous hot water needs. Combining advanced smart technology with reliable heating performance, this bundle supports multiple fixtures simultaneously while maintaining stable water temperature.

Its compact design, energy-efficient functionality, and certified safety features make it an excellent choice for modern homes seeking dependable hot water performance. With proper installation and maintenance, this dual tankless system can deliver long-lasting comfort and convenience for years to come.