Westinghouse 14kW Tankless Water Heater Electric 240V, Wifi, ETL, Gray | Max 3.4GPM, 2 Point of Use, 86-140℉ Temp.Range, ETL Certified, Compact, Smart Wifi Compatible with Alexa & Google Home
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Availability:
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Arrives
Wednesday, Aug 19
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Size: M-14k
Features
- Dedicated Circuit Requirements & InstallationThis Westinghouse tankless water heater electric requires a dedicated 60A double-pole breaker and 6 AWG wire at 240V for stable, safe operation. With 1/2" NPT connections and a compact wall-mountable design at just 12.59"H x 9.56"W x 3.28"D that takes zero floor space, this Westinghouse electric tankless water heater offers quick, hassle-free installationwhether new build or replacement, just as you'd expect from a genuine Westinghouse tankless water heater.
- 3s Instant Heating& Strong GPM OutputThis Westinghouse electric tankless water heater 240v delivers hot water in just 3 seconds with 98% thermal efficiency. The minimum start-up flow rate is 0.53 GPM.When inlet temperature is 62F and outlet is set to 105F, flow reaches 3.4 GPMsupporting 2 water points simultaneously. This on demand water heater brings endless instant hot water to your daily routine. That's the reliable performance you expect from a 14kW Westinghouse tankless water heater electric.
- Smart WiFi , Voice Control & Temperature Memory Compatible with Alexa and Google Home, this 14kW Westinghouse tankless water heater lets you adjust temperature and monitor usage via simple voice commands or the mobile app from anywhere. The new temperature memory function automatically restores your last preset temperature after a power outageno repetitive setup required. This Westinghouse electric tankless water heater makes hot water management as effortless as controlling your smart lights, making it an essential component of any modern smart home, all backed by the trusted Westinghouse name.
- ETL Certified Safe & ReliableThis Westinghouse tankless water heater electric is ETL certified with 4-layer protection (leakage, overheat, dry-fire, over-voltage), IPX4 rating, and separated water-electricity pathway. Upgraded anti-fog technology resists moisture, allowing installation in bathrooms. This14kW on demand water heater is built with safety you can trust from Westinghouse.
- Long-Lasting Durability & Scale Reduction The separated water-electricity pathway in this Westinghouse tankless water heater electric significantly reduces internal corrosion and scale buildup, extending the unit's service life. A removable inlet filter and rotor can be easily taken out by hand for cleaningwe recommend rinsing them every 6 months to remove trapped sediment and scale. This simple maintenance step restores optimal water flow and ensures your Westinghouse electric tankless water heater consistently performs at its best, year after year, with the durability that Westinghouse products are famous for.
- Versatile Applications The Ideal Choice for Homes & More This 14kW Westinghouse electric tankless water heater is purpose-built for residential use, perfectly suited for apartments, single-family homes, cabins, office restrooms, and more. Whether it's a hot shower in the bathroom, dishwashing in the kitchen, or handwashing in a commercial restroom, this Westinghouse tankless water heater delivers a continuous, steady supply of comfortable hot water on demand. Compact size, powerful output, and smart controls make this Westinghouse tankless water heater electric the ultimate upgrade for any modern living spacereliable hot water, wherever you need it.
Description
APOLO 3.0-14kW APOLO 3.0-11kW APOLO-18kW APOLO-24kW 14kW-Copper Heating 18kW-Copper Heating 24kW-Copper Heating
Brand: Westinghouse
Product Dimensions: 9.56"W x 12.59"H
Special Feature: 3s Instant Heating & 98% thermal efficiency, ETL Certified, Easy Installation, Smart WiFi Voice Control with Alexa & Google Home, Temperature Memory Function See more
Color: Gray 14
Manufacturer: Westinghouse
Special Features: 3s Instant Heating & 98% thermal efficiency, ETL Certified, Easy Installation, Smart WiFi Voice Control with Alexa & Google Home, Temperature Memory Function
Item Dimensions W x H: 9.56"W x 12.59"H
Color: Gray 14
Brand Name: Westinghouse
Manufacturer: Westinghouse
UPC: 850074317388
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Aug 19
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: M-14k
This was installed in the basement underneath of my kitchen sink to use as a "booster" to my normal tanked electric hot water heater. This model appealed to me because I can set it on my phone and adjust the temperature on the fly. I did manage to DIY an install of this, but I am a handyman with a fair amount of tools and a little bit of experience with plumbing and electrical work and even I really was thinking I should have called a professional halfway thru. This is not a simple install. I would not advise just watching a youtube video. This unit is very compact and will fit a lot of places. It might even fit under your sink if you don't have anything down there, but I have a water purification system. It would be nice to have direct access to the unit without going down in the basement, but the app works well. Overall I am very happy with its performance. Previously the kitchen/laundry room were at the very end of my hot water loop. This meant that it would take over 90 seconds to start getting hot water. That's a lot of wasted water every time I want to just rinse out a cup. Now that I have this installed within 10 seconds I'm getting hot water. Not only that but it greatly improved the performance of my dishwasher. My dishwasher does not preheat the water on its own, it uses water from the hot water tap. This means, especially in efficiency modes, it's using cold water to wash the dishes since it rarely pulls water for more than a couple of minutes. With this hot water heater it's using hot water. I can also use the app to change the water temperature to a much higher setting when I'm washing dishes. Having wireless app control is really incredible. I put an inline filter in when I set mine up, but I still appreciate the removable filter that is easy to clean on this model. A lot of plumbers will tell you not to bother with tankless water heaters because they get gunked up, so being able to clean it easily is very important. This is a very high quality unit. Overall this water heater is remarkably affordable for all of the features it offers. There's other models out there for less but none of them offer the wifi voice control or the cleanable filter. This model isn't going to heat an entire house's water either. This is a good point of use hot water heater, but it's not a whole home replacement.
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Reviewed in the United States on August 1, 2026 by Amazon Reviewer
Size: M-14k
Excellent Point-of-Use Tankless Water Heater We have a bathroom at the opposite end of the house from our main water heater. It takes a long time for hot water to reach the sink, and by the time it gets there it has already lost some heat. This unit was a great solution as an under-sink installation to boost both the shower and sink by heating the water much closer to where it's needed. This is not a trivial installation, though. In our case it required opening drywall to access the shower plumbing, and because this is a 14kW unit it also required a dedicated 240V, 60-amp circuit run with 6 AWG wire. The wiring alone cost $400. Depending on your home's layout, running a new circuit can be a significant project. I'd recommend talking with an electrician before purchasing to verify your electrical service has the capacity and to estimate the installation cost. The heater itself is compact, well built, and has some thoughtful features like the removable inlet filter for maintenance. The Wi-Fi functionality is a nice bonus, but the biggest advantage is having hot water where you need it instead of waiting for it to travel across the house. For $284.99 (price at time of order), I think it's a good value as long as it's sized appropriately for the application and you understand the installation requirements. Once installed it works amazing. Instant hot water is a game changer for a quick face or hand wash where we used to wait 30 seconds.
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Reviewed in the United States on August 8, 2026 by Amazon Customer
Size: M-14k
I selected this tankless water heater with a great deal of confidence because of the Westinghouse name. The brand goes back to my grandmother’s generation, and I was raised using Westinghouse products, so it is a name I have always associated with reliability. We installed this unit for our primary bathroom because the home’s main water heater is located on the opposite side of the house. It previously took forever for the hot water to reach the bathroom, causing us to waste a considerable amount of water while waiting. Adding a tankless unit closer to the point of use has been a much more practical solution. This was not a simple plug-and-play installation for us. We hired a licensed electrician because our electrical panel needed an additional circuit to accommodate the unit. That added to the installation process, but it was well worth it for the convenience of having hot water available much faster. The Wi-Fi compatibility is an interesting feature, although I am still not entirely sure how often I will need to control a water heater through Alexa or Google Home. It may be useful for checking or adjusting settings remotely, but the primary benefit for us is simply reducing the long wait for hot water. Overall, this is a compact, modern solution from a brand I trust. Professional installation may be necessary depending on your electrical setup, but for our bathroom location, it has been a worthwhile upgrade.
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Reviewed in the United States on July 29, 2026 by MobiusBookReview
Size: M-14k
This Westinghouse 14kW tankless water heater is a great noticeable upgrade from a traditional tank system. The compact size made installation much easier than I expected, especially in a tighter utility space where a full tank would have been impractical. Performance wise, it delivers consistent hot water for two points of use without any real issues. I’ve been able to run a sink and a shower at the same time without sudden temperature drops, as long as expectations are reasonable for a unit in this range. The temperature control is precise, and once it’s set, it stays stable. The smart features are a nice bonus. Being able to monitor and adjust settings through WiFi, and even integrate with Alexa or Google Home, adds a level of convenience I didn’t think I’d use much but I actually do. It’s especially helpful for dialing in the temperature without having to physically access the unit. Build quality feels solid, and the unit runs quietly. I also appreciate that it’s energy-efficient compared to keeping a full tank heated all day. Overall, this is a great option if you’re looking for a compact, modern tankless water heater that balances performance, size, and smart functionality really well. Really worth the money for value.
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Reviewed in the United States on July 31, 2026 by P.T.
Size: M-14k
This heater is much smaller than a traditional tank and fits neatly on the wall without using any floor space. Hot water arrives quickly, and the temperature stays steady when using a shower or sink. The app was easy to connect, and I like being able to check or change the setting without standing in front of the unit. Alexa control is convenient, while the temperature memory keeps my preferred setting after a power interruption. Water flow has been good for our needs, although colder incoming water can reduce how many fixtures it can comfortably supply at once. It requires a dedicated 60 amp double pole breaker and 6 gauge wiring, so I used licensed professionals for the electrical and plumbing work. Once properly installed, it provides reliable on-demand hot water and useful smart features in a very compact package.
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Reviewed in the United States on August 9, 2026 by Mo salah
Size: M-14k
I got this Westinghouse 14kW Tankless Water Heater Electric 240V, Wifi, ETL, Gray | Max 3.4GPM, 2 Point of Use, 86-140℉ Temp.Range, ETL Certified, Compact, Smart Wifi Compatible with Alexa & Google Home and I love how well it works. I hired a plumber to instal it and he said it was pretty straight forward. I love the instant hot water and the unlimited supply. It is very well made and easy to use. I love the app and for the price, this is an amazing value. I would highly recommend it!
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Reviewed in the United States on August 1, 2026 by Cabo Dan