Automatic Air Vent, 1/8 in, MNPT, 90 psi, 212 deg F, Thermoplastic, Import

Resideo EA122A Automatic Air Vent – Dependable Air Removal for Closed Water Systems

The Resideo EA122A Automatic Air Vent is engineered to eliminate trapped air from closed hydronic heating and cooling systems. By continuously releasing air pockets, it prevents air locks, maintains steady water flow, and supports efficient system operation. Built from durable thermoplastic, it is designed for long service life in both residential and commercial installations.

Contractor Advantages

Trapped air can reduce system performance, cause noise, and lead to premature wear. The EA122A provides a low-maintenance solution that helps ensure optimal system reliability, making it a preferred choice on job sites where consistency and performance matter.

Key Features

• Automatic Air Venting: Self-operating design continuously releases air without manual adjustment.
• Pressure Rated: Suitable for systems up to 90 psi working pressure.
• Temperature Range: Handles fluid temperatures up to 212°F.
• Compact Size: Small profile allows for installation in limited-space applications.
• Corrosion-Resistant Build: Thermoplastic body provides durability against system conditions.

Technical Specifications

• Connection: 1/8 in. MNPT
• Maximum Pressure: 90 psi
• Maximum Temperature: 212°F
• Material: Thermoplastic housing

Installation Guidance

Installation should be performed by a qualified professional to ensure compliance with local plumbing and mechanical codes. Proper placement at high points in the system is critical for effective air removal. Connections must be sealed and torqued correctly to prevent leaks.

Professional Use Case

The Resideo EA122A is widely used in hydronic heating loops, chilled water systems, and other closed water applications. Its reliable design reduces maintenance calls, helps maintain system efficiency, and provides a cost-effective solution for long-term operation.