How Radiators Work - Simple Diagram & Explanation #3493973 (License: Personal Use)

This black-and-white line illustration depicts a typical steel panel radiator with vertical heating fins and a side-mounted thermostatic valve. Wavy lines above represent rising warm air, illustrating convective heat transfer. The clean, minimalist style emphasizes function over realism, making it ideal for educational or technical content.

Used in HVAC guides, home improvement articles, or energy-efficiency explainers to visually demonstrate radiator operation; matches user intent for learning basic heating principles or selecting heating solutions.