Specification

POU 6
ECO 8
ECO 11
ECO 18
ECO 24
ECO 27
ECO 36
1.1
1.7
2.4
3.7
5.0
5.6
7.5
POU 3.5 0.7
Model GPM Approx. Usage
Inlet Temp: 72°F
POU 6
ECO 8
ECO 11
ECO 18
ECO 24
ECO 27
ECO 36
0.6
0.9
1.3
2.0
2.6
2.9
3.9
Model GPM Approx. Usage
Inlet Temp: 42°F
POU 6
ECO 8
ECO 11
ECO 18
ECO 24
ECO 27
ECO 36
0.8
1.1
1.7
2.6
3.4
3.8
5.1
POU 3.5 0.5
Model GPM Approx. Usage
Inlet Temp: 57°F
POU 6
ECO 8
ECO 11
ECO 18
ECO 24
ECO 27
ECO 36
1.0
1.4
2.1
3.2
4.3
4.9
6.5
POU 3.5 0.6
Model GPM Approx. Usage
Inlet Temp: 67°F
POU 6
ECO 8
ECO 11
ECO 18
ECO 24
ECO 27
ECO 36
0.6
0.8
1.2
1.8
2.4
2.7
3.6
Model GPM Approx. Usage
Inlet Temp: 37°F
POU 6
ECO 8
ECO 11
ECO 18
ECO 24
ECO 27
ECO 36
0.7
1.0
1.5
2.3
3.1
3.5
4.6
Model GPM Approx. Usage
Inlet Temp: 52°F
POU 6
ECO 8
ECO 11
ECO 18
ECO 24
ECO 27
ECO 36
1.3
2.0
2.9
4.4
5.9
6.6
8.8
POU 3.5 0.9
Model GPM Approx. Usage
Inlet Temp: 77°F
POU 6
ECO 8
ECO 11
ECO 18
ECO 24
ECO 27
ECO 36
0.6
0.9
1.4
2.1
2.8
3.2
4.2
Model GPM Approx. Usage
Inlet Temp: 47°F
POU 6
ECO 8
ECO 11
ECO 18
ECO 24
ECO 27
ECO 36
0.9
1.3
1.9
2.9
3.8
4.3
5.7
POU 3.5 0.6
Model GPM Approx. Usage
Inlet Temp: 62°F
Represents a hand sink
faucet open with a ow of
0.5 GPM
Represents a water-saver
shower head open with a
ow of 1.5 GPM
Results based on outlet
temperature of 105°F and
simultanerous operation of
indicated xtures. Map shows
general temperature zones,
actual inlet temperature may
be affected by local variations
and seasonal changes.
Applications
Average gallons per minute (GPM) based
on 2010 Plumbing Standards.
Water-Saver
Shower Head
Standard
Shower Head
Standard
Hand Sink
Kitchen Sink
Bath Tub
1.5 GPM
2.0 GPM
0.5 GPM
1.0-2.0 GPM
≥ 4.0 GPM
2
Match your location on the map, shown above, to the corresponding chart below to determine unit capacity.
1
The EcoSmart tankless water heater you
choose depends on your climate. Refer
to this chart to nd out which model best
suits your needs.
42°F
57°F
37°F
52°F
47°F 72°F
67°F
77°F
62°F
3 Steps for Endless Hot Water
Model kW Volts Required Wire Required Breaker Max. Power Weight Dimensions
POU 3.5 3.5 120 10 AWG 30A 29 4.0 lb 6" x 11" x 3"
POU 6 5.5 220 10 AWG 30A DP 25 4.0 lb 6" x 11" x 3"
ECO 8 8 240 8 AWG 40A DP 33 4.8 lb 11.5" x 8" x 3.75"
ECO 11 11.8 220 6 AWG 60A DP 54 6.5 lb 11.5" x 8" x 3.75"
ECO 18 18 240 (2) 8 AWG (2) 40A DP 75 11.3 lb 17" x 14" x 3.75"
ECO 24 24 240 (3) 8 AWG (3) 40A DP 100 13.8 lb 17" x 17" x 3.75"
ECO 27 27 240 (3) 8 AWG (3) 40A DP 113 13.8 lb 17" x 17" x 3.75"
ECO 36 36 240 (4) 8 AWG (4) 40A DP 150 17.4 lb 17" x 21" x 3.75"
3
Check electrical specications and dimensions in the chart below.