# Armstrong Fluid Technology Universal Pump Impeller 4.75" S-55/2B 816304-321K

**Brand:** [Armstrong Fluid Technology](https://shop.coreranger.com/brands/Armstrong%20Fluid%20Technology)
**SKU:** 816304-321K
**Price:** $508.62 · in stock
**URL:** https://shop.coreranger.com/product/armstrong-fluid-technology-universal-pump-impeller-4-75-s-55-2b-816304-321k-700045552

## Specifications

| Spec | Value |
|---|---|
| Model # | 816304-321K |
| Internet # | 700045552 |
| Returnable | 90-Day |
| Store SKU # | 1015823034 |
| HVAC Product Type | HVAC Pump |
| Product Depth (in.) | 10.5 in |
| Product Width (in.) | 8 in |
| Product Height (in.) | 4.5 in |
| Product Weight (lb.) | 1 lb |
| Manufacturer Warranty | 90 day parts warranty. |
| Brand/Model Compatibility | Armstrong Fluid Technology |

## Description

The Armstrong Fluid Technology 816304-321K Impeller Kit includes an impeller, nut, lockwasher, casing gasket/O-ring, and seal kit made of Noryl with a 4.75" outside diameter, designed for circulators like models 1050-2 and S-55.