Stelpro Prima ASPRL0502W

Last updated: November 9, 2026

Stelpro Prima ASPRL0502W
3.2/5#5 of 10 in baseboard baseboard heaters
3.2

A tidy, low-profile 500 W baseboard for a small bedroom or bathroom, with a long warranty. You pay for the design.

  • 500 WOutput
  • 240/208 VVoltage
  • Optional built-in kitThermostat
  • 5 years, element lifetimeWarranty
Check price at Amazon$126.60

Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Low-profile cabinet with small openings that keep fingers off the element
  • Front panel clicks off for cleaning
  • 5-year warranty and lifetime cover on the element
Cons
  • Only 500 W, so it heats a small room of about 50 sq ft
  • High price for its output

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 numberASPRL0502W
Heat
TypeConvection baseboard
Rated output500 W (375 W on 208 V)
Voltage240/208 V
Length36.1 in
Output per foot166 W/ft
Heating elementStainless steel sheathed tubular element with boxed aluminum fins
Maker's heating area50 sq ft
Controls
ThermostatOptional built-in kit
Selectable wattageNo
Remote or timerNo
Safety
Overheat cutoutAutomatic reset
Full-length limitYes
Build
Weight8.5 lb
Warranty5 years, element lifetime

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