Unbranded 97011790 Grille sku-18414105092 741050109649

Unbranded sku-18414105092, UPC 741050109649, is a replacement wall fan grille in HVAC Ducting and Ventilation. The 2025 upgrade is identified as S97011790 and 97011790. It is made of ABS to upgraded OEM specifications and checked before shipping. The seller describes it as wear-resistant, less prone to collecting wool, yellowing or bending than the original part, and more stable and durable.

The seller also describes the upgraded grille as 3 times improved, with a design intended to improve airflow, limit wool buildup and reduce the fan's workload. For installation: 1. Turn off power. 2. Unscrew the nut counterclockwise and remove the old grille. 3. Press the new grille into place and tighten the nut clockwise. 4. Reconnect power.

It is listed for Nutone Broan 503,505, 507 and 509s ventilation fans, including 509S-A and 509S-B through-wall fans rated 180 Cfm / 6.5 Sones. The grille measures 11-1/2 inch x 11-1/2 inch. The seller offers a 2-year quality assurance covering defects in design, materials, manufacturing or assembly, with replacement or maintenance for qualifying failures, and says it responds to problems within 24 hours.