Armstrong 110223-308 - Astro 250SS 3-Speed Circulator Pump, Stainless Steel
Armstrong 110223-308 - Astro 250SS 3-Speed Circulator Pump, Stainless Steel
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Designed for residential and light‑commercial hydronic heating systems, this pump provides reliable circulation of water through boilers, radiators, and baseboard units. The **110223-308** model **250SS** delivers three selectable speeds for optimal flow matching.
The pump utilizes a permanent‑magnet motor paired with a stainless‑steel impeller and an integrated three‑stage controller, offering quiet operation, consistent pressure, and easy speed adjustment.
Key System Performance Baselines:
- Flow Capacity: Supports heating loads up to 250 kBTU with balanced water distribution.
- Maximum Head: Maintains system pressure up to 20 ft of water column.
- Energy Efficiency: Three‑speed control can reduce electricity use by up to 30 % at low speed.
- Operating Temperature Range: Certified for continuous operation from 40 °F to 140 °F.
- Durability: Stainless‑steel construction resists corrosion in aggressive water environments.
⚠️ Application Profile: Residential boiler loops, small commercial hot‑water heating, solar thermal pre‑heat circuits, domestic hot‑water recirculation.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 110223-308 |
| Model Designation | 250SS |
| Body Construction | Stainless Steel |
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