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
The Dimplex LC2507W31 rates 3.0 among baseboard baseboard or wall heaters; the Qmark HBB504 rates 2.4 among hydronic baseboard ones. The Dimplex LC2507W31 costs $247.24 less ($99.91 vs $347.15).
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.
Qmark HBB504
A 500 W liquid-filled baseboard that gives soft, even heat with no plumbing. Expect to pay several times the price of a plain baseboard.
Amazon $347.15$347.15
Scores side by side
These two sit in different type classes (baseboard and hydronic baseboard), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Dimplex LC2507W31 | Qmark HBB504 |
|---|---|---|
| Overall rating | 3.0/5 | 2.4/5 |
| Value 35% | 58 $133.21 per kW ($99.91, 750 W) | 0 $694.30 per kW ($347.15, 500 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 | 40 1-year warranty, 10-year on the element |
Specifications
| Dimplex LC2507W31 | Qmark HBB504 | |
|---|---|---|
| Heat | ||
| Type | Convection baseboard | Hydronic baseboard |
| Rated output | 750 W (563 W on 208 V) | 500 W (375 W on 208 V) |
| Voltage | 240/208 V | 240/208 V |
| Length | 25 in | 28 in |
| Output per foot | 360 W/ft | 214 W/ft |
| Heating element | Steel-sheathed element with shark-fin blades | Nickel-chromium wire immersed in heat-transfer liquid in a copper tube, aluminum fins |
| Maker's heating area | - | 60 sq ft |
| Controls | ||
| Thermostat | Optional built-in kit | Optional built-in kit |
| Selectable wattage | No | No |
| Remote or timer | No | No |
| Safety | ||
| Overheat cutout | - | Automatic reset |
| Full-length limit | - | Yes |
| Build | ||
| Weight | 4.4 lb | 10 lb |
| Warranty | 1 year, element 10 years | 1 year, element 10 years |