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Description
Mini 3.5-1 Point-of-Use Electric Tankless Water HeaterStiebel Eltron Mini compact tankless point of use models excel at supplying warm water at a constant temperature for hand washing at a sink. They are ideal for residential or commercial hand washing sink applications. The model must be carefully matched to the flow rate of the sink for proper operation. Mini tankless water heaters heat water instantaneously and endlessly at 99% efficiency as it flows through the unit. Unlike tank water heaters, they
Stiebel Eltron Mini compact tankless point-of-use models excel at supplying warm water at a constant temperature for hand washing at a sink. They are ideal for residential or commercial hand-washing sink applications. The model must be carefully matched to the flow rate of the sink for proper operation. Mini tankless water heaters heat water instantaneously and endlessly at 99% efficiency as it flows through the unit. Unlike tank water heaters, they save energy because they have no stand-by energy losses. The sleek, small design allows installation with the unit visible. Venting is unnecessary. Use the Sizing Guide and Technical Data Chart to determine the correct size for your application. Call Stiebel Eltron at 800.582.8423 with any questions. Meticulously engineered and carefully manufactured, Mini tankless water heaters are designed for years of trouble-free and energy-saving usage.- California residents
- Mini 3.5-1 is designed to provide warm water around 90° to 100° for hand washing at a standard flow (0.66 GPM) lavatory sink
- Mini 3.5-1 is shipped with a 0.66 GPM pressure compensating flow reducer/aerator that fits most faucets and should be installed
- Excels 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
- Requires hard-wired 120-Volt electric service, 1 dedicated 30 Amp breaker, 10-Gauge copper wiring, and has 3/8 in. compression plumbing connections
- Not designed for use at a kitchen sink or a shower, or as a booster heater for any application
- Because venting is not necessary, installation can be near the sink to save water and wait time for hot water
- Can be installed above or below the sink with water fittings pointing either up or down
- Uses standard flex connections for easy installation
- Made in Germany
- Professional installation recommended
Features
| Item Weight | 3.44 |
| Minimum Activation Rate (gpm) | .40 |
| Flow Rate @ 45 F Rise (gallons/min) | .53 gal (US)/min |
| Uniform Energy Factor | 0 |
| Flow Rate @ 55 F Rise (gallons/min) | .43 |
| Application Type | Point of Use |
| Pack Size | 1 |
| Finish Family | White |
| Returnable | 180-Day |
| Heat Exchanger Warranty | 2 Year |
| Commercial/Residential | Commercial,Residential |
| Required Volt Connection | 120 volt |
| Flow Rate @ 35 F Rise (gallons/min) | 0.68 gal (US)/min |
| Amperage (amps) | 29 |
| Fuel Type | Electric |
| Indoor/Outdoor | Indoor |
| Wattage (watts) | 3.5 |
| Maximum Temperature (F) | 122 |
| Minimum Temperature (F) | 86 |
| Product Weight (lb.) | 3.44 lb |
| Flow Rate @ 65 F Rise (gallons/min) | 0 |
| Water Heater Features | Wall Mounted |
| Wattage (watts)2 | 3.5 |
| Product Width (in.) | 20 in |
| Product Height (in.) | 48.375 in |
| Product Depth (in.) | 20.5 in |
| Water Connection Size (in.) | 3/4 |
| Certifications and Listings | CSA Listed,ETL Listed,UL Certified |
| Labor Warranty | No Warranty |
| Part Warranty | 3 Year |
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
4.8 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Alpine Swiss makes such a good product, well, I purchased three!
Size: One Size, Color: Nubuck Tan
These leather money clips will not disappoint. Great craftsmanship at a great price!
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Reviewed in the United States on March 30, 2026
★★★★★ 4
Good Product
Size: One Size, Color: Smooth Finish Black
Good product although the leather is a bit stiff. Hopefully it will soften up over time. Fair price, fast shipping…
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Reviewed in the United States on April 30, 2025
★★★★★ 5
So far happy.
Size: One Size, Color: Glossy Nappa Black
As everyone has made clear, it holds credit cards very tight. Almost 3 weeks in & mine seems to be breaking in a little, but cards are still a bit difficult to remove. No complaints with money clip.
One thing I thought was a dumb move on manufacturers part, was inside one of the card slots is a tag sewn into the seem. This makes things alot worse while trying to fit cards into all slots. The tag will catch on the cards & bunch up in the corner of the slot making things even tighter in that slot, plus all slots surrounding it.
I was able to get a scissors in there enough to cut most of the tag out, without cutting the stitching itself....it made a big difference....enough to fit an extra card in & without it bulging up the wallet overall.
Why would they feel it necessary to do this is beyond my pay grade. Its not like you can even see what the tag says until you cut it out.... I believe it was the name & logo....but Jesus, how unnecessary, & in the dumbest place one could possibly think of. Especially when EVERYONE comments on how excessively tight it is to fit cards in the slots & also be able to retrieve them with relative ease when needed.
Overall I am happy with this wallet so far.... I'll be interested to see if it holds together over the long haul or if the stitching gives out in a year & has to be replaced.
I will update this review as time progresses.
UPDATE: Its almost to March 27 2023 & its been holding up great. No ripping or tearing stitching holding strong.
Still holds cards really tight, but they are easier to remove.
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Reviewed in the United States on May 26, 2022
★★★★★ 5
Worth the money
I have tried other slim wallets but keep coming back to AlpineSwiss. Theirs are much better in construction and in material, and last extremely long. Much better than the cheaper alternatives. Consider paying a bit more but getting your moneys worth with these guys.
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Reviewed in the United States on December 14, 2025
★★★★★ 5
A great wallet
Size: One Size, Color: Black
Smooth leather and plenty of card spaces. It was wider than I anticipated but overall satisfied with it!
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Reviewed in the United States on June 1, 2026