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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
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Description
240-Volt 3.5 kW 0.53 GPM Compact Point-of-Use Tankless Electric Water HeaterAQM tankless water heaters heat water instantaneously and endlessly at 99% efficiency as it flows through the unit. Unlike water heaters with a tank, they save energy because they have no stand by energy losses. AQM tankless point of use models excel at supplying warm water at a constant temperature for hand washing at a sink but must be carefully matched to the flow rate of the sink to operate properly. They are ideal for residential or commercial
AQM tankless water heaters heat water instantaneously and endlessly at 99% efficiency as it flows through the unit. Unlike water heaters with a tank, they save energy because they have no stand-by energy losses. AQM tankless point-of-use models excel at supplying warm water at a constant temperature for hand washing at a sink but must be carefully matched to the flow rate of the sink to operate properly. They are ideal for residential or commercial hand-washing sink applications. The sleek, small design allows installation with the unit visible. Venting is unnecessary. Refer to the Sizing Guide and Temperature Rise Chart to determine the correct size you need. Call AquaPower at 800.582.2213 if you have any sizing questions. Meticulously engineered and carefully manufactured, AQM tankless water heaters are designed for years of trouble-free and energy-saving usage.- AQM 4-2 is designed to provide warm water around 90° to 100° for hand washing at a standard-flow (0.66 GPM) lavatory sink
- Requires hard wiring to 240 or 208-Volt electric service with 1 dedicated 15 Amp breaker and 14-Gauge copper wiring
- Provides endless warm water for hand washing at 99% efficiency and saves energy because water is heated only when needed
- Important to carefully match the AQM model to the flow rate of the sink
- Engineered in Germany with the best materials to provide years of trouble-free service
- A special flow switch control protects the nichrome heating element from failure caused by dry-firing
- Can be installed above or below the sink with water fittings pointing either up or down
- Not designed for use at a kitchen sink or a shower, or as a booster heater for any application
- Professional installation recommended
- 5-year leakage and 1-year parts residential and commercial warranty against defects in workmanship and materials under normal use
Features
| Item Weight | 3.44 |
| Minimum Activation Rate (gpm) | .40 |
| Uniform Energy Factor | 0 |
| Water Heater Features | Overheat Protection |
| Required Volt Connection | 240 volt |
| Application Type | Point of Use |
| Flow Rate @ 55 F Rise (gallons/min) | 0.0 |
| Minimum Temperature (F) | 0.0 |
| Product Weight (lb.) | 3.44 |
| Pack Size | 1 |
| Flow Rate @ 65 F Rise (gallons/min) | 0.0 |
| Finish Family | White |
| Wattage (watts) | 3500 |
| Returnable | 180-Day |
| Wattage (watts)2 | 3500 |
| Flow Rate @ 35 F Rise (gallons/min) | 0.68 gal (US)/min |
| Maximum Temperature (F) | 0.0 |
| Heat Exchanger Warranty | 5 Year |
| Amperage (amps) | 14.6 |
| Fuel Type | Electric |
| Indoor/Outdoor | Indoor |
| Flow Rate @ 45 F Rise (gallons/min) | 0.53 |
| Water Connection Size (in.) | 3/8 Comp |
| Product Height (in.) | 6.5 |
| Product Depth (in.) | 3.25 |
| Product Width (in.) | 7.5 |
| Part Warranty | 1 Year |
| Labor Warranty | No Warranty |
| Certifications and Listings | CSA Listed,ETL Listed,UL Listed |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Beautiful Wallet
Color: With NO Logo - Smooth Nappa Black
Well constructed and beautiful wallet. The black Nappa leather I ordered is soft and smooth to the touch and you can tell by the look, feel, and smell that it is high quality. I love that you can order this with both a logo and no logo for a clean look.
The design on this is well thought out.
I'd definitely recommend this wallet to anyone. It is an amazing value and far superior to any other $30 wallet I've ever seen.
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Reviewed in the United States on March 19, 2026
★★★★★ 4
Almost perfect!
Color: With Coin Pocket - Forest Brown
I purchased this wallet primarily for its generous number of conveniently located slots and its coin pocket. If you can't fit everything you want to EDC in this wallet, you need to think about getting a sling bag! Having returned the same model in Grizzily Brown due to a stitching defect and ordered this one in Forest Brown, I can see it is a richer, lighter shade and the finish seems smoother and more refined. Some of my cards were tight in previous wallet slots, but everything fits great in this one. Why the one star off? First, this wallet is about a quarter inch too large in all dimensions, especially thickness. While it doesn't protrude out the top of my back pocket, it is a challenge to close the button on some pants and it is also snug side-to-side, so removal involves some wiggling until pockets stretch and the wallet breaks in. The leather used in its construction is smooth but stiff at first, given that it is about twice as thick as most American or European wallet leather I've owned: think bullhide. The smell is also a little off, definitely natural cowhide but processed with whatever is used to tan leather in India rather than in the United States. Finally, this looks like something that belongs in a pair of jeans or casual pants, NOT pulled out of a suit at a Michelin star restaurant. The stitching, evenness of dye and lines are far from perfect, but what it lacks in looks it more than makes up for in every day function, character, and anticipated durability.
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Reviewed in the United States on January 13, 2026
★★★★★ 5
The Best Wallet
Color: Boulder Black - Napa Smooth Black
This is the second wallet I have purchased from Bull Guard. The first one is identical and I have used it for approximately one year. The first wallet has held up perfectly. I just decided to buy a second one because I am so happy with the first one and I decided to break up my cards into frequently used in the second, new wallet and less frequently used in the first and older wallet. The capacity of the wallet is excellent. It easily holds all my credit cards, drivers license, bills, insurance ID cards, and my global entry card. The material, workmanship, durability, and quality is also excellent. The wallet is all leather and breaks in perfectly. The size is also perfect fitting perfectly in my rear pocket. For the price, this is the best man's wallet I have ever had and I highly recommend it.
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Reviewed in the United States on November 22, 2025
★★★★★ 5
Solid Wallet
Color: Wild Buffalo Grey
I recently purchased the ULL GUARD Buffalo Leather Wallet, and I’m genuinely impressed with its quality and craftsmanship. The buffalo leather feels durable and premium—this is a wallet that looks like it’ll stand the test of time.
What I love about it:
- Thoughtful Billfold Design: The bill compartment includes a separator, which is perfect for organizing cash and checks separately. It’s a small detail that makes a big difference.
- Plenty of Storage: There are numerous credit card slots, making it easy to keep all your cards neatly arranged and accessible.
- Clear ID Pocket: The transparent ID slot is a convenient touch, especially for quick access to your driver’s license or work badge.
Overall, this wallet combines functionality with rugged style. If you're looking for something that’s both practical and built to last, the ULL GUARD Buffalo Leather Wallet is a solid choice.
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Reviewed in the United States on November 7, 2025
★★★★★ 5
A Quality Wallet
Color: Boulder Black - Napa Smooth Black
So far so good. The wallet has a great feel and is of high quality. It looks great and has plenty of credit card slots and I love the bill holder, with a divider. It is wider than I expected, but it stays thinner than the last minimalist wallet I had so the trade off is worth it to me. I would buy it again.
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Reviewed in the United States on April 28, 2026
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