The Manual Air Vent Key from HEATLINK USA LLC features a 5mm square design, perfect for manual air vent operation. This key is crafted from durable materials, ensuring longevity and reliable performance. Its compact size makes it easy to store and handle, while the blue finish adds a touch of visibility. Ideal for use in heating systems, this tool allows for quick and efficient air release, preventing air lock and ensuring optimal system performance. A must-have for HVAC professionals and DIY enthusiasts alike.
