S1-121076 | BOTTOM RETURN BLOCK-OFF | York

**Bottom Return Block-Off: York [S1-121076]** This bottom return block-off from York effectively seals the return air plenum in air handling units, preventing air leakage and ensuring optimal system performance. Manufactured with durable materials to withstand demanding industrial environments, it offers a reliable and long-lasting solution. Key features of this block-off include its precise fit to the plenum, preventing airflow loss. It is easily installed and removed for maintenance or repairs. By effectively sealing the return air plenum, this block-off contributes to improved energy efficiency and reduced operating costs. **Specifications:** * SKU: S1-121076 * Brand: York * Type: Bottom return block-off * Compatibility: Specific York air handling units **Applications:** * Commercial and industrial air handling systems * Maintaining airflow integrity within the plenum * Preventing air leakage and energy loss For your industrial HVAC needs, trust our HVAC supply store for a comprehensive selection of quality products. Order your Bottom Return Block-Off today and experience the difference in performance and efficiency!