The Allegro Air Temperature Controller delivers adjustable warm or cool supplied air up to 25°F from ambient, using a durable, no-moving-parts vortex design for reliable comfort in extreme work environments.
The Allegro Air Temperature Controller is a rugged, vortex-style device designed to precisely adjust
supplied breathing air for workers operating in extreme hot or cold environments. Using filtered compressed air, the Allegro Air Temperature Controller delivers continuous warm or cool airflow, allowing users to fine-tune comfort up to 25°F above or below ambient conditions. The durable aluminum body contains no moving parts, ensuring exceptional reliability and long service life in demanding industrial applications. A stainless steel Hansen ¼” plug provides secure
air connections, while the nylon belt and included leather sheath protect the user from temperature extremes during operation. The Allegro Air Temperature Controller is easy to adjust—even with gloved hands—making it ideal for confined space entry, industrial maintenance, and PPE-supported
breathing systems. Designed to operate within a 55–120 psi air supply range, the Allegro Air Temperature Controller offers dependable thermal comfort without electrical components or complex maintenance.
