# AAON Return Air, Fill-In, Economizer S40201

**Brand:** [AAON](https://shop.coreranger.com/brands/AAON)
**SKU:** S40201
**Price:** $381.75 · in stock
**URL:** https://shop.coreranger.com/product/aaon-return-air-fill-in-economizer-s40201-700094783

## Specifications

| Spec | Value |
|---|---|
| Model # | S40201 |
| Pack Size | 1 |
| Internet # | 700094783 |
| Returnable | 90-Day |
| Store SKU # | 1015891308 |
| HVAC Product Type | Fan & Limit Control |
| Product Depth (in.) | 5 in |
| Product Width (in.) | 5.9 in |
| Product Height (in.) | 3.487 in |
| Product Weight (lb.) | 2.361 lb |
| Manufacturer Warranty | 90 day parts warranty. |
| Brand/Model Compatibility | AAON |

## Description

The AAON S40201 Fill-In directs return air through the economizer path for proper mixing and ventilation in HVAC systems, using OEM thermostats and high limits for stable cycling and reliable operation.