Armstrong 110223-310 - Astro 225SSU Circulator Pump with Union Fitting
Armstrong 110223-310 - Astro 225SSU Circulator Pump with Union Fitting
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Reliable water circulation is essential for efficient hydronic heating systems. The Armstrong 110223-310 225SSU circulating pump with a union connection delivers steady flow while simplifying installation.
The pump features a sealed, cast‑iron body and a robust mechanical seal that maintains performance under high‑temperature conditions. Its integrated union eliminates the need for additional fittings, reducing potential leak points and installation time.
Key System Performance Baselines:
- Flow Capacity: Up to 38 GPM at 30 psi, supporting medium‑size residential loops.
- Power Consumption: Efficient 1‑hp motor provides reliable performance with low energy draw.
- Operating Temperature: Designed for continuous operation up to 180 °F (82 °C).
- Durability: Cast‑iron construction ensures long‑term service life in demanding applications.
⚠️ Application Profile: Ideal for residential and light‑commercial hydronic heating loops, boiler recirculation, domestic hot water systems, and floor‑heat distribution networks.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 110223-310 |
| Model Designation | 225SSU |
| Connection Size | Union – ½‑in. NPT |
| Body Construction | Cast Iron |
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