Carrier 40QA400070 Grille Assembly 319848-301 The AV-822 is specifically designed

The AV-822 is specifically designed for 2-1/2" to 6" VB-8xxx and VB-9xxx series globe valves

The double diaphragm construction ensures precise flow control across a wide range of gases

Direct OEM Compatibility: Verified replacement for ICP 1173784

Solid-State Durability: Provides faster switching and longer operational life compared to standard electromechanical relays

The 45-degree angle configuration optimizes the flow path while minimizing pressure drop

Carrier 40QA400070 Grille Assembly 319848-301 The AV-822 is specifically designedThe Carrier 40QA400070 is a factory authorized grille assembly designed for high performance split system air handlers and packaged terminal units. This OEM replacement part is essential for maintaining proper airflow dynamics and protecting internal condenser coils from environmental debris. As a veteran technician knows, using a genuine Carrier grille ensures precise alignment with the wall sleeve, preventing the outdoor air recirculation that