The perfect tool for replacing damaged valve cores with R1234yf refrigerant in the system without losing the systems charge. Attaches to R1234yf service ports to quickly and easily remove and replace valve cores without the loss of refrigerant Ball Valve design with stainless steel ball provides smooth movement and durability Kit covers 17 mm and 14 […]

Mastercool’s valve core remover/installer has a built-in ball valve to retain charge and allow access to A/C system. Excellent for replacing valve cores without discharging the system, speeding recovery and recharging large systems. Its heavy-duty design for R134a and R12 systems allows the user to change valve cores while under pressure without any refrigerant loss. […]

55900 Mastercool Intellasense II Refrigerant Leak Detector At the heart of this leak detector is a new low power metal oxide gas sensor with superior performance properties such as lower current consumption and sensor longevity. The new sensor is characterized by high sensitivity and fast response upon detecting the presence of extremely small levels of […]