A compact 25 in, 750 W convector for a short stretch of wall on 240 V.
Amazon $99.91The Dimplex LC2507W31 is the better baseboard or wall heater overall, rated 3.0 to 2.6. The Dimplex LC2507W31 leads on warranty and value. The Dimplex LC2507W31 costs $29.09 less ($99.91 vs $129).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A sturdy 3 ft, 750 W contractor baseboard for 240 V. The short warranty and the higher price per watt hold it back.
Amazon $129Which should you buy?
- Choose the Dimplex LC2507W31 for warranty (1-year warranty, 10-year on the element vs 1-year warranty) and value ($133.21 per kW ($99.91, 750 W) vs $172 per kW ($129, 750 W)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every baseboard baseboard or wall heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Dimplex LC2507W31 | King Electric K Series 3K2407 |
|---|---|---|
| Overall rating | 3.0/5 | 2.6/5 |
| Value 35% | 58 $133.21 per kW ($99.91, 750 W) | 44 $172 per kW ($129, 750 W) |
| Controls 25% | 20 optional built-in thermostat kit | 20 optional built-in thermostat kit |
| Safety 15% | 50 overheat cutout not described (neutral score used) | 75 full-length overheat cutout |
| Warranty 25% | 40 1-year warranty, 10-year on the element | 0 1-year warranty |
Specifications
| Dimplex LC2507W31 | King Electric K Series 3K2407 | |
|---|---|---|
| Heat | ||
| Type | Convection baseboard | Convection baseboard |
| Rated output | 750 W (563 W on 208 V) | 750 W (563 W on 208 V) |
| Voltage | 240/208 V | 240/208 V |
| Length | 25 in | 36 in |
| Output per foot | 360 W/ft | 250 W/ft |
| Heating element | Steel-sheathed element with shark-fin blades | Aluminum ribbon fin element |
| Controls | ||
| Thermostat | Optional built-in kit | Optional built-in kit |
| Selectable wattage | No | No |
| Remote or timer | No | No |
| Safety | ||
| Overheat cutout | - | Yes |
| Full-length limit | - | Yes |
| Build | ||
| Weight | 4.4 lb | 8 lb |
| Warranty | 1 year, element 10 years | 1 year |
