Ecosmart inline instant tankless hot water heater

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Electric Tankless (instant, on demand) Hot Water Heater, Medium

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Market price: $449.00

Our price: $445.95 (€334.46)

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Ecosmart Eco 18 Electric Tankless Hot Water Heaters let you enjoy endless hot water when you want it, only when you need it. Go Tankless and Save.

These water heaters are the most powerful Smart Technology electric tankless units in the market today. They are configured for climates with incoming water temperature that ranges from 60-degrees Fahrenheit to 45-degrees Fahrenheit.

They are ideal for homes in the southern states, which includes Florida and the lower Texas area.

How to choose your water heater model

Step 1: Add up the flow rates of all the water use points that you expect to simultaneously use. It does not matter whether your home has 2 showers, 4 sinks, a dishwasher and a clothes washer. What only matters is which of them you expect to run at the same time. See Chart A.

Step 2: Determine your coldest incoming water temperature of the year.

Step 3. Take your info from Step 1 and 2 and look up the info on Chart B.

Step 4: Ensure you have sufficient electrical service. See "Electrical Requirements" chart below.

Chart A

Flow rate guidelines for various hot water applications.

This chart is based on the use of water saver showerheads rated at 1.5 GPM and water saver aerators for sinks rated at 1.0 GPM. The number of showerheads and sinks next to each model reflects the model unit's capacity to make hot water simultaneously with the unit's temperature control set to 105°F. Note: The shower temperature that most people prefer is between 98°F to 105°F.

Ecosmart tankless hot water flow rate

Chart B

Inlet Water Temperature	40°F	45°F	50°F	55°F	60°F	65°F	70°F	75°F	80°F
ECO 8	.75 GPM	.80 GPM	1.0 GPM	1.2 GPM	1.3 GPM	1.4 GPM	1.5 GPM	2.0 GPM	2.2 GPM
ECO 11	1.3 GPM	1.3 GPM	1.5 GPM	1.7 GPM	1.9 GPM	2.0 GPM	2.3 GPM	2.7 GPM	3.0 GPM
ECO 18 (this page)	1.9 GPM	2.0 GPM	2.2 GPM	2.4 GPM	2.7 GPM	3.1 GPM	3.5 GPM	4.1 GPM	5.0 GPM
ECO 21	2.3 GPM	2.5 GPM	2.7 GPM	3.0 GPM	3.3 GPM	3.8 GPM	4.3 GPM	5.0 GPM	6.0 GPM
ECO 24	2.5 GPM	2.7 GPM	3.0 GPM	3.3 GPM	3.8GPM	4.1 GPM	4.7 GPM	5.4 GPM	6.5 GPM
ECO 27	2.8 GPM	3.1 GPM	3.4GPM	3.7 GPM	4.2 GPM	4.8 GPM	5.2 GPM	6.1 GPM	7.3 GPM

This chart presents the flow rates at each inlet temperature with the unit's temperature control setting at 105°F.

Example: If you usually use about 2.5 gallons per minute (one shower with a water-saver showerhead and one hand sink) simultaneously, find the 2.5 GPM on the chart or the number closest to it. If the number is highlighted in GREEN, then it is the correct model for you. If it is highlighted in YELLOW, that means you can get by with it. If it is highlighted in RED, you have to consider a more powerful model.

Specifications

Voltage	240
Phase	Single
KW	18 kW
Elements	2 x 9 KW @ 240
Amperage Draw	75.0 Amps
Required Breaker	2 x 40 DP
Required Wire	2 x 8 AWG
Electric panel	150 Amps
HZ	50/60
Pipes fittings	3/4" NPT
Dimensions (in.)	18" x 14" x 3.75"
Weight	11.25 lbs.
Exchanger	Copper
Protection	Thermal Auto
Temperature Control	Digital
Activation flow	.25 GPM
Energy efficiency	99.8 %
Certification	ETL Listed to UL 499 & CSA
Warranty	Lifetime*

Electrical Requirements

Before you purchase an EcoSmart, please make sure that your home has sufficient electrical capacity to run it. Refer to the following chart for electrical requirements:

Model	Recommended Breaker	Maximum Amperage @ 240 V	Recommended Household Electrical Service	Recommended Minimum Wire Gauge
ECO 27	3 x 40 AMPS DP	112.5 AMPS	200 AMPS	3 x #8 AWG Copper
ECO 24	3 x 40 AMPS DP	100 AMPS	200 AMPS	3 x #8 AWG Copper
ECO 21	3 x 40 AMPS DP	87.5 AMPS	200 AMPS	3 x #8 AWG Copper
ECO 18	2 x 40 AMPS DP	75.0 AMPS	150 AMPS	2 x #8 AWG Copper
ECO 11	1 x 60 AMPS DP	57.0 AMPS	125 AMPS	1 x #6 AWG Copper
ECO 8	1 x 40 AMPS DP	33.0 AMPS	100 AMPS	1 x #8 AWG Copper
POU 6	1 x 30 AMPS	29.0 AMPS	100 AMPS	1 x #10 AWG Copper
POU 3.5	1 x 30 Amps	29.0 AMPS	100 AMPS	1 x #10 AWG Copper

Wire gauge and breaker size must meet all applicable provincial, state, local, and national electrical codes for your area. These are only guidelines that may apply to most installations. Some codes require use of an electrical sub-panel, especially when heater isn't mounted within the line-of-sight of the main electrical panel. Wiring should be sized to maintain a voltage drop of less than 3% under load.

If your home is already equipped with a large number of electrical appliances, you may require a larger electrical service than the one recommended above. The above chart contains only guidelines. Please consult with an electrician before placing an order.

Download Installation Manual
Download Troubleshooting Guide for Electricians

How much can you save with ECOSMART's Tankless Water Heaters?

The primary difference between savings associated with storage tank heaters compared to tankless heaters is the amount of energy and time consumed during operation. An electric tankless water heater consumes more energy compared to a tank heater during its use, but it consumes energy for a drastically shorter period of time. The result is a reduction in water heating costs by up to 60%.

The image below contains a visual representation of the concept mentioned above using data taken from independent third party testers. It shows how the storage tank heater keeps drawing power even after the need for hot water has long ceased. In this example, the tank heater used energy for 34.5 minutes just for a 10-minute shower. It also used a total of 2.5 kWh, in comparison to the ECO 27 which consumed just 1.6 kWh. The steadiness in the data represented about the ECO 27 is also an accurate indication of how precise the Self-Modulating Technology is, allowing for very minimal differences in energy consumption.

Ecosmart power savings

PSC (Product Safety Consulting, Inc.) is a product testing firm recognized internationally and accredited by several reputable organizations. PSC administered numerous tests that simulate daily hot water usage and then compared the energy consumption results between an ECO 27, the largest model available from ECOSMART, and a 40 gallon water heater from Rheem. Based on an average ten-minute shower consuming two gallons per minute, a 37% savings in energy consumption was confirmed with the ECO 27. This figure is based on usage comparison and does not take into account energy loss associated with Cycling Loss and Standby-by Loss which may be accountable for up to 20% energy loss. This loss included, the ECO 27 uses up to 57% less energy compared to a standard electric storage tank water heater.

Summary: ECOSMART Testing Data

Testing by Product Safety Consulting, Inc.

Assumptions:
» Inlet temp of 67 °F
» Cost of $0.08 per KWH

ECOSMART Tankles

vs.

Traditional 40 Gallon Tank

Result

ECOSMART units don't require preheating

Preheating time requirement = 0 minutes
Preheating energy consumption = 0 KWH
Preheating cost = $0.00

Test #1: Tank Heater Preheat

Preheating time requirement = 93 minutes
Preheating energy consumption = 6.45 KWH
Preheating cost = $0.51

Savings:
$0.51 (100%)

Test #2: Ten Minute Shower at 1.75 GPM at 105°F

Energy Draw Time = 10 min
Recovery Time = 0 min
Total Draw Time = 10 min
Energy Consumption = 1.6 KWH
Energy Consumption Cost = $0.128

Test #2: Ten Minute Shower at 1.75 GPM at 105°F

Energy Draw Time = 6.5 min
Recovery Time = 25.5 min
Total Draw Time = 34.5 min
Energy Consumption = 2.5 KWH
Energy Consumption Cost = $0.20

Savings:
$0.072 (36%)

Test #3: Ten Minute Shower at 2.0 GPM at 105°

Energy Draw Time = 10 min
Recovery Time = 0 min
Total Draw Time = 10 min
Energy Consumption = 1.95 KWH
Energy Consumption Cost = $0.156

Test #3: Ten Minute Shower at 2.0 GPM at 105°

Energy Draw Time = 6.5 min
Recovery Time = 36.75 min
Total Draw Time = 42 min
Energy Consumption = 3.11 KWH
Energy Consumption Cost = $0.248

Savings:
$0.092 (37%)

Test #4: Twenty Minute Bath Tub at 3.0 GPM at 105°

Energy Draw Time = 20 min
Recovery Time = 0 min
Total Draw Time = 20 min
Energy Consumption = 5.32 KWH
Energy Consumption Cost = $0.425

Note: The ECO 27 was able to fully maintain the target testing temperature throughout the test

Test #4: Twenty Minute Bath Tub at 3.0 GPM at 105°

Energy Draw Time = 17.75 min
Recovery Time = 67.116 min
Total Draw Time = 84 min
Energy Consumption = 6.2 KWH
Energy Consumption Cost = $0.496

Note: Starting at 18 minutes, the tank heater was not able to maintain the target testing temperature

Savings:
$0.071 (14%)

*Plus the ability to continuously have access to hot water.

Test #5: Three Minute Hand Washing at 1.5 GPM at 105°

Total Draw Time = 3 min
Energy Consumption = 5.32 KWH
Energy Consumption Cost = $0.032

Test #5: Three Minute Hand Washing at 1.5 GPM at 105°

Note: The tank heater didn't draw any power during this test based on a 1-person hand washing application. Results with multiple hand washing applications will result in wattage consumption.

Cost:
$0.03

This test or report does not take into consideration any additional cost caused by HEAT LOSS from the tank heater which raises the total operating cost of tank heaters by about 20%.

MPN:

ECO18;

UPC:

854920002046

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