What it delivers
The Eemax EEM12004 4 kW Point-of-Use Tankless Water Heater is a point-of-use electric tankless rated at 4 kW on 120 volts. Its listing gives a maximum flow of 0.5 GPM.
At a 45°F rise (mild inlet water to a 120°F set point) it holds about 0.5 GPM, less than one 2 GPM shower; in winter, at a 70°F rise, about 0.4 GPM, less than one 2 GPM shower. Check your house in the planner.
At 120 volts 4 kW is about 33 amps. A licensed electrician confirms the panel, the service and the wire before it goes in.
Small units like this suit one sink or a low-flow shower close by; at a kitchen sink's 1.5 GPM the water won't rise as far.
From the listing: features: Self-Modulating; material: Stainless Steel; model: EEM12004; warranty: 5 years for leaks and 1 year for parts.
Warranty, per the listing: 5 years for leaks and 1 year for parts.
Right unit for this house?
Install it when
- One sink or a low-flow shower
- A far bathroom with a long wait for hot water
Look at another unit when
- Whole-house hot water
- Kitchen sinks at full flow in cold climates
Strengths and trade-offs
Strengths
- 4 kW
- Up to 0.5 GPM
- No venting or gas line
Trade-offs
- Winter flow is much lower
- Breaker needs not stated
Install limits
- Figures are the maker's or seller's own. Flow at a rise is our estimate from the input; gas, venting and electrical work needs a licensed professional.
Rated performance
Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.
| Model number | EEM12004 | Retailer |
|---|---|---|
| Tank | 5 gal | Retailer |
| Features (seller) | Self-Modulating | Retailer |
| Power | 4 kW | Retailer |
| Voltage | 120 V | Retailer |
| Max flow (maker) | 0.5 GPM | Retailer |
| Material | Stainless Steel | Retailer |
| Warranty | 5 years for leaks and 1 year for parts | Retailer |
Rival units at this flow
More point-of-use water heaters rated for similar demand
- Stiebel Eltron 220816 3 kW Point-of-Use Tankless Water Heater
- WINTEMP YQ-WN8K 8 kW Point-of-Use Tankless Water Heater
- WINTEMP WN08 8 kW Point-of-Use Tankless Water Heater
- LECLOC C3500 3.5 kW Point-of-Use Tankless Water Heater
Full point-of-use water heaters spec grid · Every Eemax unit in the catalog
Final verdict
A solid point-of-use electric tankless for one sink or a low-flow shower.
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