The 230-WC4 SW-100-I 4-inch Wall Penetration is an essential component for any HVAC installation requiring line sets to pass through a building's exterior wall. This fitting ensures a professional and weather-tight seal around the line set, preventing drafts, moisture intrusion, and pest entry, which are critical for maintaining indoor comfort and energy efficiency.
Designed to integrate seamlessly with line set cover systems, this wall penetration unit provides a neat and organized appearance where the line set enters the building. It eliminates unsightly gaps and protects the vulnerable point where the line set transitions from the exterior cover system to the interior, safeguarding the refrigerant lines and electrical connections from environmental damage.
HVAC/R contractors and homeowners undertaking new installations or upgrades will find this wall penetration crucial for a complete and compliant setup. It addresses the common challenge of routing line sets through walls, offering a durable solution that contributes to both the aesthetic appeal and the long-term performance of the air conditioning or heat pump system.









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