At Pit Stop USA, we understand the importance of safety in air conditioning systems. That's why we recommend the installation of female threaded trinary or binary safety switches in all AC systems. To install these switches into driers, you'll need threaded adapters that are specially made for this purpose. Fortunately, we offer a wide range of fittings and threaded adapters to ensure that your installation is a success. Don't take any chances with your AC system. Trust Pit Stop USA to deliver everything you need to stay cool and safe on the road.