Dimplex LC2507W31
#7 in BaseboardFull review
A compact 25 in, 750 W convector for a short stretch of wall on 240 V.
Amazon $99.91$99.91
750 W240/208 VOptional built-in kit
2.6/5
A sturdy 3 ft, 750 W contractor baseboard for 240 V. The short warranty and the higher price per watt hold it back.
- 750 WOutput
- 240/208 VVoltage
- Optional built-in kitThermostat
- 1 yearWarranty
Check price at Amazon$129
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Made in the USA with a crushproof element and a dent-resistant cover
- Full-length safety cutout
- Runs on 240 V or 208 V
Cons
- Only a one-year warranty, element included
- Costs more than a Cadet baseboard of the same output
- Needs a wall thermostat or a separate built-in kit
The King Electric K Series family
Every King Electric K Series model we rank, smallest first. Ratings compare each against its own type.
| Model | Output | Rating | Price |
|---|---|---|---|
| King Electric K Series 3K2407 (this one) | 750 W | 2.6/5 | $129 |
| King Electric K Series 4K1210 | 1,000 W | 2.7/5 | $159 |
| King Electric K Series 6K1215 | 1,500 W | 2.7/5 | $209 |
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | 3K2407-BW |
|---|---|
| Heat | |
| Type | Convection baseboard |
| Rated output | 750 W (563 W on 208 V) |
| Voltage | 240/208 V |
| Length | 36 in |
| Output per foot | 250 W/ft |
| Heating element | Aluminum ribbon fin element |
| Controls | |
| Thermostat | Optional built-in kit |
| Selectable wattage | No |
| Remote or timer | No |
| Safety | |
| Overheat cutout | Yes |
| Full-length limit | Yes |
| Build | |
| Weight | 8 lb |
| Warranty | 1 year |
Alternatives in this type
King Electric K Series 6K1215
#8 in BaseboardFull review
A sturdy 6 ft, 1,500 W contractor baseboard for 120 V. The short warranty and the higher price per watt hold it back.
Amazon $209$209
1,500 W120 VOptional built-in kit
King Electric K Series 4K1210
#9 in BaseboardFull review
A sturdy 4 ft, 1,000 W contractor baseboard for 120 V. The short warranty and the higher price per watt hold it back.
Amazon $159$159
1,000 W120 VOptional built-in kit
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