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The TRADEPRO tp-7/890celrst is a 7/8 inch 90-degree long radius copper elbow fitting used in refrigerant piping, HVAC lineset installations, and plumbing systems. The long radius design reduces flow restriction and minimizes stress on the tubing at directional changes compared to a standard short radius elbow. This fitting is suited for brazing into copper tubing runs where a smooth directional change is required. HVAC technicians and plumbers install this type of fitting during new system installations, equipment changeouts, and piping repairs.
This fitting is sold individually but packaged in bags of 10, making it practical for stocking service vehicles or shop inventory. It is appropriate for residential and light commercial HVAC and refrigeration applications where 7/8 inch copper tubing is specified. The long radius configuration is commonly preferred in refrigerant systems to support proper oil return and reduce turbulence in the refrigerant line.
Designed as an OEM-style copper elbow fitting for use with 7/8 inch copper tubing in HVAC refrigerant lineset and plumbing piping applications.
Installation should be performed by a licensed HVAC technician or plumber using standard brazing equipment and appropriate silver-alloy or phosphor-copper filler material. Recover all refrigerant and depressurize the system before cutting into any refrigerant line. Follow applicable mechanical codes including IFGC and local jurisdiction requirements for brazing in enclosed spaces. Nitrogen purging during brazing is standard practice to prevent internal oxidation of the copper fitting and tubing.
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