Stelrad COMPACT (500x700-K3)

Stelrad Compact K3 500 × 700 mm horizontal steel radiator, with triple panel, triple convector construction and standard ½-inch connections.

Heating performance

• 502 W at 45/40/20°C — calculated from the EN 442 rated output using the manufacturer's coefficient.
• 741 W at 55/45/20°C — manufacturer's published ΔT30 output.
• 1,439 W at 75/65/20°C — manufacturer's published ΔT50 reference output.

Temperatures are flow / return / room. The 45/40/20°C figure is a calculated estimate, not a separate tested duty point. Select against the room heat loss and the intended system temperatures.

Dimensions and specification

• Height: 500 mm
• Length: 700 mm
• Radiator depth: 158 mm
• Panel type: K3 — triple panel, triple convector
• Connections: ½ inch
• Manufacturer article: 3053307