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The STRUCTURAL CONCEPTS 73390 is a roto lock valve designed for use in commercial refrigeration systems. Roto lock valves provide a secure, rotatable connection point on refrigerant lines, allowing technicians to isolate sections of a system during service, recovery, or component replacement without cutting or brazing the line. This valve is a genuine Structural Concepts part, intended for use by qualified refrigeration technicians servicing commercial display case and refrigeration equipment.
This valve is used in commercial refrigeration applications, particularly in display cases and reach-in units where roto lock service connections are specified. It is suited for environments where refrigerant line service access is required during scheduled maintenance or component changeout. Installation and service should be performed by a licensed refrigeration or HVAC technician familiar with commercial refrigeration systems.
Designed as an OEM-style replacement valve for Structural Concepts commercial refrigeration equipment requiring roto lock service valve connections.
Installation should be performed by a licensed HVAC or refrigeration technician in accordance with applicable codes and refrigerant handling regulations under Section 608 of the EPA Clean Air Act. Recover all refrigerant from the system before removing or replacing any valve components. Verify the valve orientation and connection type before installation to ensure a leak-free seal. Pressure-test the system after installation and before returning the unit to service.
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