1. Water Heaters New/Used Products
  2. sku: 7941338817664752
  3. BLUE WAVE INLINE 8.5N-220

BLUE WAVE INLINE 8.5N-220 Electric Tankless Water Heater Box Duo 240V 35AMP

8.5n-220 Blue Wave Inline Duo Electric Tankless Water Heater 240v 35amp Open Box

( Brand: Blue Wave Inline ), ( Manufacturer Part Number: 8.5N-220 ), ( Power Source: Corded Electric ), ( Color: White ), ( Water Connection: 3/4 In Npt ), ( Type: Tankless Water Heater/boiler ), ( Water Connection Location: Bottom ), ( Heating System: Boiler ), ( Item Height: 7.28 ), ( Voltage: 240 V ), ( Amperage: 35amp ), ( Minimum Flow Activation: 0.396gpm ), ( Features: Electric ), ( Jacket Diameter: Heater ), ( Water Temperature Range: 80 F To 140 F ), ( Mounting Location: Wall ), ( Water Heater Profile: Compact ), ( Power: 8.5kw ), ( Country Of Origin: China ), ( Item Width: 11.81 )

Review BLUE WAVE INLINE Electric Tankless Water Heater 240v 35amp Open Box

Introducing the Wave Inline 8.5N-220 Duo Electric Tankless Water Heater, a high-performance and energy-efficient solution for your home's hot water needs. This premium water heater is designed with advanced technology and built to last, offering endless hot water on demand.

The Wave Inline 8.5N-220 Duo is a 240V, 35Amp unit, making it suitable for most residential applications. With its compact size and sleek design, it can be easily installed in various locations, including garages, utility rooms, and even outdoors. The heater features a modern, durable stainless steel exterior that not only looks great but also provides excellent resistance to corrosion and rust.

This tankless water heater is capable of delivering up to 8.5 gallons per minute (GPM) of hot water flow rate, ensuring that you have an ample supply for multiple applications simultaneously. The Duo system design allows for the connection of two separate circuits, each with its temperature and flow sensors, making it perfect for homes with multiple bathrooms or high hot water demand.

The Wave Inline 8.5N-220 Duo is engineered with the latest energy-saving technology, including an advanced flow sensor and smart temperature control system. These features work together to optimize energy usage and provide significant energy savings compared to traditional tank water heaters. Additionally, the heater features a self-diagnostic system that continuously monitors and reports any potential issues, ensuring that you are always aware of your water heater's performance.

Installation of the Wave Inline 8.5N-220 Duo is made simple with its user-friendly design and easy-to-follow instructions. The heater comes with all necessary mounting hardware and a detailed installation manual to guide you through the process. Furthermore, the heater's compact size and flexible installation options allow for easy integration into various plumbing configurations.

In conclusion, the Wave Inline 8.5N-220 Duo Electric Tankless Water Heater offers a high-performance, energy-efficient, and cost-effective solution for your home's hot water needs. With its advanced technology, modern design, and easy installation, it is an excellent choice for any homeowner seeking endless hot water on demand.

The WaveInline 8.5N-220 Duo Electric Tankless Water Heater is a popular choice for those seeking energy efficiency and continuous hot water supply. Below are the pros and cons of buying this water heater:

Pros:

1. Energy Efficiency: This water heater uses less energy compared to traditional tank water heaters since it only heats water when it is needed.

2. Compact Size: Its space-saving design makes it a suitable option for homes with limited space.

3. Endless Hot Water: With an unlimited supply of hot water, you no longer have to worry about running out of hot water during peak usage times.

4. Advanced Digital Controls: The digital controls allow for easy temperature adjustments and diagnostics.

5. Dual Outlets: The duo design enables the simultaneous supply of hot water to two different appliances.

6. Low NOx Emissions: This water heater complies with the Low NOx emission standards, making it an eco-friendly option.

Cons:

1. High Upfront Cost: The initial investment for a tankless water heater is significantly higher than that of a traditional tank water heater.

2. Installation Complexity: Compared to a traditional water heater, the installation process for a tankless water heater can be more complicated and time-consuming.

3. Potential for Cold Water Sandwich: If two appliances require hot water at the same time, a cold water sandwich might occur, with the water temperature dropping slightly before heating up again.

4. Potential for Limescale Buildup: Hard water areas may experience limescale buildup, which can reduce the water heater's efficiency and lifespan.

5. Compatibility Issues: Ensure that your home's electrical system can support the 240V, 35 Amp requirements of the water heater.

Conclusion:

The WaveInline 8.5N-220 Duo Electric Tankless Water Heater offers numerous advantages, including energy efficiency, compact size, endless hot water, advanced digital controls, and dual outlets. However, it also comes with some drawbacks, such as a high upfront cost, installation complexity, potential for cold water sandwich, and limescale buildup.

If you can afford the initial investment and are willing to deal with the installation complexity, this water heater can provide long-term energy savings and endless hot water to your home. Additionally, regular maintenance, such as descaling, can help mitigate the impact of limescale buildup.

Recommendation:

If you're looking for an energy-efficient, compact, and continuous hot water supply solution for your home, the WaveInline 8.5N-220 Duo Electric Tankless Water Heater could be an excellent investment. However, carefully consider the pros and cons, and ensure that you're prepared for the installation process and ongoing maintenance requirements.

Details:

The white color and sleek design make it a stylish addition to any wall-mounted location. Featuring a 1/2 inch NPT water connection at the bottom, this Eco-Smart tankless heater is reliable choice for your home improvement needs. Sale includes. The Blue Wave Inline 8.5N-220 Electric Tankless Water Heater is a compact and efficient heating solution for your home.

What You see in the photos related to water heater. With a power source of 240v and an amperage 35amp, this boiler-style water heater can quickly provide hot with temperature range 80 F to 140.

part #: 85n220 price

  • $115.00

specifications wateheat:

  • brand: Blue Wave Inline
  • mpn: 8.5n-220
  • power source: Corded Electric
  • color: White
  • water connection: 3/4 In Npt
  • type: Tankless Water Heater/boiler
  • water connection location: Bottom
  • heating system: Boiler
  • item height: 7.28
  • voltage: 240 V
  • amperage: 35amp
  • minimum flow activation: 0.396gpm
  • features: Electric
  • jacket diameter: Heater
  • water temperature range: 80 F To 140 F
  • mounting location: Wall
  • water heater profile: Compact
  • power: 8.5kw
  • country of origin: China
  • item width: 11.81

seller wateheat:

  • city: Osage, Minnesota
  • # reviews: 1186
  • rating: 99.3%

shipping wateheat:

  • type: Calculated
  • carrier: USPS
  • transit: 3-7 Days
  • cost: $8.30
  • service: USPS Ground Advantage
  • class: Standard

general wateheat:

  • Heating, Cooling Air > Water Heaters > Tankless Water Heaters
  • condition: Open box

payments wateheat:

  • wallet: Paypal
  • credit card: Discover
  • other

offer wateheat:

  • quantity: 1
  • best offers: True
  • started: April 20, 2026
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

returns wateheat:

  • policy: No Returns
power source: corded electric, water connection: 3/4 in npt, type: tankless water heater/boiler, water connection location: bottom, heating system: boiler, item height: 7.28, voltage: 240 v, amperage: 35amp, minimum flow activation: 0.396gpm, features: electric, jacket diameter: heater, water temperature range: 80 f to 140 f, mounting location: wall, water heater profile: compact, power: 8.5kw, country of origin: china, item width: 11.81,
category: home & garden > heating, cooling air > water heaters > tankless water heaters, color: white, sku: 7941338817664752,

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1 offer $115.00 USD
  • Offer #1: $115.00 price + $8.97 shipping estimate = $123.97* total. The white color and sleek design make it a stylish addition to any wall-mounted location. With a power source of 240v and an amperage of 35amp, this boiler-style water heater can quickly provide hot water with a temperature range of 80 F to 140 F.+$8.97 shipping

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