Eemax HA027240 Tankless Electric Water Heater 18 kW
- 240 volt electric tankless, wall mount
- Output listed as 18kW and 27 KW
- 6 gpm flow, 140F maximum
- Copper heat exchanger, brass top
- Digital display, knob adjusts by 1 degree
- 3 x 8 AWG recommended wire
- 1 year parts, 5 year heat exchanger
Updated 5 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A point of use or whole home electric tankless heater with a digital set point and replaceable elements. The listing gives two different power figures, which changes the breaker and wire needs, so confirm before wiring.
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ASIN: B00J2N2POAModel: HA027240Category: Water Heaters
Overview
A copper heat exchanger with replaceable heating elements does the work in this Eemax heater, warming water as it flows with no storage tank. A knob sets temperature in one degree steps, shown on a digital display.
No tank and no venting free up space and avoid gas lines. The power figure is unclear between title and specs, and large electric tankless units need heavy circuits.
Who it's for
Homeowners with strong electrical service and no gas line will save space over a tank. Those with smaller panels need an electrician's load check first.
Pros and cons
- No tank or venting needed
- Replaceable heating elements
- Precise temperature set point
- Compact wall mount
- Power figure listed inconsistently
- Needs heavy electrical circuits
- Short parts warranty
Performance notes
Temperature rise depends on flow rate and incoming water temperature, so colder climates see less rise at full flow. Microprocessor control holds the outlet near the set point. Element replacement extends service life without swapping the unit.
Specifications
| Brand | Eemax |
|---|---|
| Model | HA027240 |
| Dimensions & fit | |
| Item Dimensions W X H | 20 x 7 inches |
| Item weight | 13.8 pounds |
| Capacity & performance | |
| Flow Rate | 6 gpm |
| Maximum Temperature | 140 F |
| Heat Output | 27 KW (title says 18kW) |
| Power & efficiency | |
| Voltage | 240 volts |
| Power Source | Corded Electric |
| Wattage | 27 watts |
| Construction & materials | |
| Color | Stainless Steel |
| Material Type | HAWA |
| Compatibility & installation | |
| Mount type | Wall |
| Included components | |
| Included Components | electric tankless product |
| Unit Count | 1 Count |
| Warranty & support | |
| Manufacturer Warranty Description | 1 year parts, 5 year heat exchanger |
| Other details | |
| Recommended wire | 3 x 8 AWG |
| Heat exchanger | Copper with brass top |
| Controls | Digital display, 1 degree adjustment |
| Item Type Name | Eemax |
| Special Features | special_feature |
Frequently asked questions
How much power does the Eemax HA027240 need?
The title says 18kW while the specs say 27 KW at 240 volts, with 3 x 8 AWG wire recommended. Confirm the figure with Eemax before sizing breakers.
Does the Eemax HA027240 need venting?
No. Eemax electric tankless heaters need no venting.
How hot can the Eemax HA027240 get?
Up to 140F, adjusted in 1 degree increments.