Caleffi 551004A Air Vent

Introducing the Caleffi 551004A Air Vent, a high-performance automatic float air vent designed for reliable air removal in heating and air conditioning systems. The float-type mechanism automatically vents trapped air, preventing air locks and boosting system efficiency.

Constructed with a brass body for durability and featuring an EPDM seal, this vent delivers long-lasting performance in demanding HVAC environments. It handles both air and water media, making it a versatile choice for modern installations. The compact, 1/2 inch inlet with female threaded connection simplifies installation and compatibility with standard piping.

Operational range: 32 to 250°F and up to 150 psi (venting 90 psi), making it suitable for most residential and commercial heating and cooling applications.

• Type: Automatic, Float, High Performance
• Brass body with EPDM seal for durable, leak-free operation
• Inlet: 1/2" female threaded connection
• Media handled: Air and Water
• Temperature range: 32–250°F
• Pressure rating: 150 psi (venting 90 psi)
• Ideal for Heating and Air Conditioning Systems