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The TRANE NUT00991 is an inverted flare nut designed to secure tight, leak-resistant connections in HVAC systems. This brass component, with a 0.625 inch outer diameter, helps maintain reliable flow and system integrity. It is engineered to prevent loosening under vibration, ensuring secure and leak-free connections for enhanced operational safety.
This TRANE NUT00991 inverted flare nut ensures secure, leak-free connections in HVAC systems.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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