High Capacity: Optimized for 4-inch mains

What is the primary cause of the vacuum breaker dripping from the vent

Check your existing seal's condition when replacing the cap

protecting external components and ensuring HVAC safety compliance

Carrier LA22LB112 Wheel 328140-751 High Capacity: Optimized for 4-inchThe Carrier LA22LB112 Blower Wheel is a high performance direct drive blower wheel engineered for precise airflow management in specific furnace and air handler configurations. This factory authorized part features a 11 1 8 inch diameter and a 7 1 8 inch width, designed with a counterclockwise (CCW) rotation to meet exact OEM air displacement requirements. Its robust steel construction and precision balanced blades minimize radial vibration, reducing