Caleffi 250041A Air Vent

Experience dependable air elimination with the Caleffi 250041A Air Vent, an automatic, float-type vent designed for clean, efficient operation in heating, cooling, and solar systems. The chrome-plated brass body features a 1/2 inch male threaded inlet, a stainless steel control spindle, and an EPDM seal, delivering long-lasting performance. Rated for temperatures from 20 to 360°F and pressures up to 150 PSI (75 PSI discharge), it handles air, water, and glycol with ease.

Perfect for solar heating applications, this compact air vent prevents air locks and boosts system efficiency in closed-loop designs. Its durable brass construction and sealed cover protect internal components, ensuring reliable performance over time.

• Automatic, float-type air vent for quick, reliable air elimination in plumbing and hydronic systems.
• 1/2 inch male threaded inlet with durable chrome-plated brass body.
• Temperature range 20–360°F and high-pressure rating up to 150 PSI (75 PSI discharge).
• Handles air, water, and glycol (glycol-based solar mixtures) without loss of performance.
• Stainless steel control spindle, EPDM seal, and protective cover for long life.
• Ideal for solar heating systems and other closed-loop setups requiring automatic venting.