Coleman Mach Plenum 9430-4553 is a ceiling plenum designed for Coleman Mach non-ducted RV air conditioners. It helps deliver conditioned airflow into your interior with controlled direction through integrated louvers. This white plenum supports a wall-thermostat setup, making it a practical replacement part for compatible Coleman Mach models. Built for straightforward installation, it’s heat strip ready for easier upgrades when you need more warmth. Durable construction and a clean, low-profile appearance help cover existing ceiling marks. Choose this plenum to restore efficient cooling performance and maintain a neat finished look in your RV.
Limited 2 Year Warranty
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