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The CPS PRODUCTS tlsws is a multi-size service wrench designed for HVAC and refrigeration service work. It covers four common hex drive sizes: 3/16 inch, 1/4 inch, 5/16 inch, and 3/8 inch. This tool is built to engage service port valve stems and access fittings found on refrigerant circuits, condensing units, and related equipment. Licensed HVAC technicians and refrigeration service pros keep this wrench on hand as a compact, purpose-built alternative to carrying multiple individual wrenches. Its multi-size format reduces tool clutter and speeds up access during routine service, leak checks, and system charging or recovery procedures.
The tlsws is suited for residential and light commercial HVAC service, refrigeration equipment maintenance, and any application requiring access to Schrader-style or valve-stem service ports. Technicians use it during system charging, evacuation, and refrigerant recovery tasks where quick valve stem engagement is essential. It is a standard addition to a refrigeration service kit.
Designed for use with standard HVAC and refrigeration service port valve stems and fittings requiring 3/16 inch, 1/4 inch, 5/16 inch, or 3/8 inch hex drive sizes.
This tool is used by licensed HVAC and refrigeration technicians during service, charging, and recovery operations. Always recover or isolate refrigerant per EPA Section 608 requirements before opening any refrigerant circuit. Ensure the system is de-energized and pressure is verified before engaging valve stems. Use only the correctly sized drive end to prevent damage to valve stem cores or service fittings.
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