Diagnose HVAC system problems like a pro with EGC Supply's selection of HVAC test instruments! Whether you're a seasoned technician or a homeowner looking for DIY solutions, we have the tools you need to identify leaks and ensure your system runs smoothly. Target leaks with precision using our refrigerant test equipment. This equipment allows you to accurately measure pressure, temperature, and other key factors to pinpoint refrigerant leaks. For added efficiency, explore our dye injector kits. These kits allow you to inject a special dye into your system, making leaks visible under UV light. Upgrade your leak detection capabilities with our UV leak detector accessories. A powerful UV lamp is essential for making the dye used in injector kits fluoresce, revealing leaks quickly and easily.