|Item Weight||17 pounds|
|Product Dimensions||17.4 x 5.2 x 13.4 inches|
|Item model number||AT-910-27TP|
|Item Package Quantity||1|
|Included Components||Tankless Water Heater|
|Warranty Description||2 years (parts only), 7 years no leaks|
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27kW/240V Electric Tankless Water Heater, 5.1GPM 112.3 Amps, ThermoPro Series with Digital Thermostatic Control
- Enter your model number to make sure this fits.
- Digital temperature control allows you to set your temperature in increments of 1 degree. Thermostatic control range from 90-135 degrees
- Electrical requirements: 3 x 40a single-phase DP breakers, 3 x 8 AWG wires, 240V. 113a total connected load
- Specially equipped to heat incoming water as low as 37 degrees at 2.2 GPM
- Stainless steel interior is durable and corrosion resistant allowing for heat efficiency and longer life expectancy
- Save up to 50% on electric bills compared to a traditional tank water heater
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From the manufacturer
Instant Hot Water
Save Water, Time, Energy and MONEY
Did you know in most US homes the heating of water is the second largest energy expense after space heating. Typically, storage tank water heating can account for up to 30-50% of the average home energy bill.
ATMOR's Electric Tankless Water Heaters - ThermoPro Series - with self modulating smart flow technology revolutionizes water heating by providing unlimited hot water when needed. Best of all, our sleek space saving design does NOT require venting and can be hung/installed anywhere inside your home or garage.
Why Should YOU Go Tankless?
- By automatically activating once water flow is detected and shutting off when it stops, you'll lower your water consumption and eliminate costly water waste!
- ATMOR's advanced ThermoPro self modulating system regulates the amount of energy required to heat water - saving you $$ on your energy bills!
- Easy to use, set-it-and-forget it digital control allows you to set unit to exact degree for perfect water temps!
Will The 27kW Meet MY Needs?
Perfect for Northern climates, the 27kW/240V can handle incoming water temperatures as low as 37 degrees. During the coldest months in Northern climates, the 27kW unit can handle a shower (1.5GPM shower head) and a sink (1GPM) without fear of running out of hot water. In warmer climates with inlet water temps of 73 degrees, the 27kW unit can run up to five applications as once: two showers (1.5GPM shower head), one kitchen sink (1GPM) and two bathroom sinks (.5GPM). Remember that inlet water temps vary by location; colder climates limit the number of applications that can run simultaneously.
Remember selecting the right unit depends on your incoming water temperature, flow rate, electrical capacity and desired output temperature.
ATMOR Electric Tankless Water Heaters
European designed with over 40 years experience, ATMOR products are constructed from the finest quality materials and components. Durable and corrosion resistant Stainless Steel interior assembly allows for heating efficiency and longer life expectancy. IP54 certification keeps internal components safe and dry from damaging elements.
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|Sold By||Amazon.com||Axiom Trading||Amazon.com||Amazon.com||MWH1324||thermoflow|
|Item Dimensions||17.38 x 5.25 x 13.38 in||3.62 x 17 x 17 in||17.38 x 5.25 x 13.38 in||11 x 3.5 x 16.1 in||4 x 9 x 13 in||17 x 4 x 9 in|
The Atmor thermopile tankless electric water heater revolutionizes water heating with smart flow technology that provides unlimited hot water when you need it, without the wait. An advanced self-modulating system regulates water flow and the amount of energy required to heat the water. This delivers major savings on energy bills and lowers water consumption. The easy-to-use digital panel allows full control with the power to make temperature adjustments down to the exact degree for the perfect water temperature every time. Compact, space-saving design requires no venting and can be installed anywhere inside your home or garage. Unit is IP54 certified to keep internal components safe and dry. Durable and corrosion resistant stainless steel interior assembly allow for heating efficiency and longer life expectancy. The 27Kw/240V, 5.1 gpm capacity is ideal for small to medium sized homes that will be running up to 4 applications at Once, such as: 2 Showers (1.5 gpm/shower head), 1 kitchen sink (1 gpm), and 1 bathroom sink (.5 gpm) at inlet temperatures of 73 degrees F. Choosing the right tankless heater depends on your incoming water temperature, flow rate, and your desired output temperature. Your incoming water temperature (also called inlet temperature) varies by location and seasonality. Colder inlet water temps require a much higher temperature rise. Simply put its how much your temperature needs to rise to deliver endless hot Showers. The next variable, flow rate (gpm, refers to the number of applications in your home that simultaneously provide hot water. When a higher rise is needed, a required slower flow rate limits the number of faucets that can heat your water at the same time. For additional info and help choosing a model, please see our selection guide below or call our support team at 888.783.6082.
Top customer reviews
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There is a very strong desire for tankless systems... why? Simple, no wasted energy to store hot water. That is a strong plus... specially if you dont use hot water that often, such as if u are gone all day, only home in morning and night. Why keep paying to store hot water? Tankless is more efficient, as u only make hot water when u need it. BUT, there is some caveats.... no free lunch in life ;)
First, Gas or Electric... pros n cons to both. Electric is very efficient, close to 100%. Gas varies from 80% to 94% eff. for the more costly condensing units, which require condensate treatment and drains. Price is about the same for the units, with the larger gas units which are condensing costing a bit more.
Cost of power.... it varies sooo much throughout the country, in some places, per usable BTU, gas is 1/10th the price vs. electric... In other areas, where there is electric utility subsidized rates for electric HWH and low electric rates, and high cost gas, the electric can be 1/2 the cost of the gas. So u have to research this first in your area. Assuming u have the option for both, and the Capacity for both..so check with your utilities first, or electrician.
then, do a price comparison,
Natural gas has about 100K BTU's per therm (CCF), Gas is usually sold per in CCF or by Therms. Divide the cost per therm by efficiency factor, to get your true cost per usable BTU.
Electric... rates vary from $.03 kwh to $.30 kwh...there is 3412 BTU's in one KWH. So do the math to compare cost per usable BTU. Assume electric is close to 100% eff, very little if any waste for comparison sake.
Make sure u have enough electric capacity in your panel to add 100+amp load.... if not, u may need an upgrade from the utility...this can cost anywhere from nothing, to a LOT!! It all depends on how large the cables are running to your feed, and how large your service is... under a best case, just add a breaker in your panel. Under a worst case, utility must run new lines from far away and upgrade your meter, even tear up the street sometimes, $2K - $50K...so investigate this FIRST!! One size does NOT fit all !!! A lot of variables for adding electric capacity.
Gas capacity.... in most cases, u will require an upgraded gas meter...
If you do NOT have sufficient capacity, or do not want to pay for the cost to add the capacity, possibly a tank system is your only option.
Assuming, you still want to go tankless, either way, u must get electric or gas from the source, to the destination where HW heater is installed...another cost to consider before deciding.
So, assuming u are installing the tankless unit under review....
the next issue that can be confusing is...how much heat will these deliver? I think its unfair to ding points on ratings, due to lack of knowledge on how these perform....
How much heat? It depends... there are a few variables at play, the math below, u can adjust the numbers based on your situation....
3,412 BTU per KWH
27 KW HW heater
92,124 BTUH Total
8.3 lbs per gal water
11,099 BTU’s expressed in Gallons
100 Desired temp rise of water
111 Gallons per hour
60 Minutes per hour
The two big variables in this equation are the temp rise required, and the GPM required. For example, in Las Vegas in the summer, the city water is 90 deg, and if you are only delivering 123 deg hot water, u only need a 33 deg temp rise. In which case, u would get 3x the GPM vs. the 1.8 GPM suggested above. OTOH, if you live up North, and water temp is 40 deg and you want 140 deg supply water leaving the Heater, (there is losses as water gets to its final destination), then this 100 deg water rise will allow u a max of 1.8gpm, or about one good shower (based on flow rate of shower)
play with this formula to determine whats possible with tankless and see if it will meet your needs... this is the MAX these systems can deliver.
If you desire higher flow rates, or hotter water, u can always put two of these tankless heaters in series. which would double the output capacity. But, it requires double the capacity!
So u have to design intelligently from the start...and granted, there is a lot of factors to consider before going tankless. Know all your costs, max. capacity of HW heater, and be confident it will meet your HW needs.
As u can see from this, tank water heaters will always be around... they have the advantage of holding a lot of capacity in the form of storage, albeit, somewhat wasteful. They gain capacity by heating water over a long period of time, vs. ON DEMAND. In some applications, with limited capacity, or exorbitant cost to add capacity, tank heaters are the only option to meet your HW needs.
Anyway, this is a high quality unit and priced very competitively,
5 stars from me....
Use this review to be sure it fits your application first, as the HW heater itself is often the lowest part cost of the installation. Ideal when u are building a new house, or an addition, as u can plan for all these issues. If u have questions, I do my best to answer them in the comments section below.
Update after a day of heavy use. The regulation is a bit strange. The heating comes up slowly and oscillates at frst, with a damped cyle of hot/cold. As noted in another review of a 14KW unit, the house lights do flicker when you turn on hot water. If you run hot water for a long time, the flickering seems to disappear for periods. I had hoped "self-modulation technology" meant varying the fraction of each cycle, but apparently not. It is able to operate down to rather low flow. So I still approve of this unit.
Most recent customer reviews
I returned it, I got a refund in a timely manner.
it due to temperature fluctuations. Tech support didn't have a solution.Read more