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The AIREX AIRX-TRS-575-G is a retrofit pipe penetration seal designed to close and weatherproof wall openings around HVAC line sets. The unit uses a 3/16-inch gasket system to create a tight seal at the wall penetration point, accommodating piping with a 2-3/8-inch diameter. Finished in gray, it is suited for installations where the wall insulation thickness measures 3/4 inch. HVAC technicians install this seal during new line set runs or when upgrading existing penetration points to meet current weatherization standards.
This penetration seal is used in residential and light commercial HVAC installations wherever refrigerant line sets pass through an exterior or interior wall. It is particularly well suited for retrofit jobs where an existing wall opening needs to be sealed without full disassembly of the line set. The gray color blends with common exterior wall finishes. It functions as both a gasket seal and a line set cover termination at the wall surface.
Designed as an OEM-style retrofit replacement seal for HVAC refrigerant line set wall penetrations requiring a 3/16-inch gasket and 2-3/8-inch pipe diameter clearance in walls up to 3/4 inch thick.
Installation is typically performed by a licensed HVAC technician as part of a line set installation or retrofit service. Power down the HVAC system at the disconnect before beginning any work near the line set. Ensure the wall opening is clean and free of debris before seating the gasket to achieve a proper seal. Follow all applicable local mechanical codes for pipe penetration weatherproofing requirements.
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