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Aaon S21991 Post End
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Delivery and Shipping
Fedex ground and freight. Most parts ship same day and arrive within two days.
The AAON S21991 is an OEM replacement part identified as the Post End. This component is designed for use in AAON HVAC systems, specifically for the OSA HB (Outdoor Air Handling) configuration. It serves as a structural support element, providing stability and alignment to the framework of the system, ensuring proper airflow and system efficiency.
Specifications:
Manufacturer: Aaon
Manufacturer Part Number: S21991
Product Type: Post End
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