7–13 Fin Oil Filled Radiator 45 Models

Fin count is the fastest way to structure an oil-filled range, because it maps directly onto wattage and onto what a customer sees on the shelf. In this catalogue the ladder runs 5, 7, 9, 11 and 13 fins across 500 W to 2500 W: compact builds on 5 to 11 fins cover personal and small-room use, 7 fins pairs with 1500 W, 9 fins with 2000 W, and 11 or 13 fins with 2500 W.

Shape matters as much as count. Traditional open fins are familiar, cost-effective and easy to repeat across a multi-size range. Wider channels, shaped fins and chimney-style air paths can improve natural convection or create a stronger visual identity. Closed-fin bodies give a cleaner, more design-led exterior, but need separate evaluation of airflow, surface temperature, weight and production cost.

Fin count should never be read on its own. Compare the complete design — fin geometry, element rating, thermostat performance and safety construction — before deciding which sizes to carry.

Read the full oil-filled radiator buyer guide