What it delivers
The WINTEMP WM07V 7 kW Point-of-Use Tankless Water Heater is a point-of-use electric tankless rated at 7 kW on 240 volts. Its listing gives a maximum flow of 1.7 GPM.
Worked out from its input, it delivers roughly 1.1 GPM when the water only has to rise 45°F, and 0.7 GPM at a 70°F winter rise: less than one 2 GPM shower in summer, less than one 2 GPM shower in winter. Size it to your fixtures.
At 240 volts 7 kW is about 29 amps (the listing states 29 A). The maker calls for 1 × 30 Amp double-pole breakers. Whether your panel can carry it alongside heating and cooking loads is an electrician's call.
Point-of-use units go under or beside one sink, where a short pipe run means hot water in seconds.
Other listed details: features: LED Display, Self-Modulating; connections: 1/2" npt; material: Metal; model: WM07V; warranty: 2 Year.
The listing gives dimensions of 10.3 in (W) x 8.5 in (H) and a weight of 8.4 lb.
Warranty, per the listing: 2 Year.
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
- 7 kW
- Up to 1.7 GPM
- No venting or gas line
- Breakers stated by the maker
Trade-offs
- Flow drops with cold inlet water
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 | WM07V | Retailer |
|---|---|---|
| Tank | 1.7 gal | Retailer |
| Dimensions (seller) | 10.3"W x 8.5"H | Retailer |
| Features (seller) | LED Display, Self-Modulating | Retailer |
| Power | 7 kW | Retailer |
| Voltage | 240 V | Retailer |
| Max flow (maker) | 1.7 GPM | Retailer |
| Product weight | 8.4 lb | Retailer |
| Warranty | 2 Year | Retailer |
| Material | Metal | Retailer |
| Amps (maker) | 29.1 A | Retailer |
| Breakers (maker) | 1 × 30 Amp double-pole breakers | Retailer |
| Connections | 1/2" npt | Retailer |
Rival units at this flow
More point-of-use water heaters rated for similar demand
- VancEpic RE8K 8 kW Point-of-Use Tankless Water Heater
- Eemax HA008240 8 kW Point-of-Use Tankless Water Heater
- EcoSmart ECO 8 Point-of-Use Tankless Water Heater
- Camplux ME40B 1.44 kW Point-of-Use Tankless Water Heater
Full point-of-use water heaters spec grid · Every WINTEMP unit in the catalog
Final verdict
A sensible point-of-use electric tankless for one sink or a low-flow shower.
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