Tankless Water Heaters: A Complete Guide
Ready to replace your old water heater? If so, here is all you need to know about tankless water heaters to decide if they could be the right choice for you.
Marey 18 kW, 4.4 GPM ETL Certified 220-Volt Self-Modulating Residential Multiple Points of Use Tankless Electric Water Heater
Marey ECO180 provides 18 kW of power, being the perfect solution for a whole house application. This unit provides 36° F increase at 4.0 GPM, allowing you to have up to 3 points of use running simultaneously in hot climates. Check the temperature map for more information. Tankless water heaters provide an efficient hot water solution eliminating the standby energy consumption of conventional tank units.
Features:
* unit performance is affected if installed above 2000 ft elevation from sea level
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ECO180 | ECO240 | |
Energy | 18kW | 27kW |
Minimum Required Circuit Breaker | 2x50A | 3x40A |
Max. Amp. Load | 75A | 100A |
Min. Wire Size | 2x6 AWG Copper | 3x8 AWG Copper |
Voltage/Frequency | 240V, 60Hz | |
Water Connections | 3/4” NPT | |
Recommended Min. Flow Activation | 0.85 GPM / 3.2 L/min | |
Safe Operating Pressure | 5 PSI - 85 PSI | |
Dimensions | 11.0” x 16.1” x 3.5” | |
Weight | 17.7 lbs | 17.8 lbs |
ECO180 | |
---|---|
1.0 | 103°F |
1.5 | 82°F |
2.0 | 61°F |
2.5 | 49°F |
3.0 | 41°F |
3.5 | 35°F |
4.0 | 31°F |
5.0 | 28°F |
6.0 | - |
6.5 | - |
Gallons per minute indicated on the Temperature Increase table are calculated assuming an outlet temperature of 105°F. Variable factors such alternate incoming water temperature or incorrect installation may yield different results.
5 year limited warranty on parts, no labor