903107 | 18" INTERNAL ROOF JACK EXTNSN | Nordyne

18" Internal Roof Jack Extension: 903107 NordyneThe Nordyne 903107 is an 18" internal roof jack extension, a crucial component for residential HVAC installations. This durable extension connects the ductwork to the roof jack, ensuring proper ventilation and exhaust for heating and cooling systems.Crafted from high-quality materials, the 903107 withstands extreme weather conditions and provides secure, long-lasting performance. Its precise 18" length ensures compatibility with standard roof jack systems, allowing for efficient installation and optimal airflow.Whether you're a homeowner seeking a reliable replacement or an HVAC professional tackling a new installation, the Nordyne 903107 internal roof jack extension offers a trusted solution for ensuring proper ventilation and maintaining the efficiency of your HVAC system.Shop our HVAC supply store today for the best prices and fast shipping on all your HVAC essentials!