Diversitech Valve Core Tools

Overview

The DIVERSITECH ST75 is an A/C EasyTee service tool kit designed for HVAC technicians who need a reliable, low-maintenance access fitting solution. The kit includes 3 fittings and is built without valves or moving parts, eliminating common failure points found in traditional service tee designs. This simplicity makes it well suited for routine refrigerant circuit access work on residential and light commercial air conditioning systems. Because there are no internal components to wear out or stick, the ST75 delivers consistent performance over the life of the installation. Licensed HVAC technicians are the primary installers of this kit. The ST75 EasyTee kit is used during service calls and installations where technicians need quick, dependable access to the refrigerant circuit. Its compact form factor fits into tight equipment compartments, and the three-fitting pack provides enough fittings for a complete system service or multiple smaller jobs. The kit is suited for residential split systems and light commercial A/C applications where repeated access points are needed without the added complexity of valve-based fittings. Key Features No valve or moving parts, reducing the risk of component failure over time Includes 3 fittings per kit, covering multiple access points in a single purchase Compact package dimensions support use in tight equipment compartments Manufactured in the United States Designed for straightforward refrigerant circuit access on A/C systems…