Armstrong 110223B-245 - Astro 225SSU-T Stainless Steel Circulator Pump with Union Fitting and Timer
Armstrong 110223B-245 - Astro 225SSU-T Stainless Steel Circulator Pump with Union Fitting and Timer
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A reliable timer built for hydronic boiler systems ensures precise start‑stop cycles and protects equipment from overheating. The 110223B-245 Armstrong Astro 225SSU‑T provides a stainless‑steel union body with integrated timing control for seamless installation and long‑term durability.
The timer operates via an adjustable mechanical clock mechanism that can be set to the required on/off intervals. When the programmed time elapses, the internal switch opens or closes the union connection, delivering accurate cycle control without the need for external controllers.
Key System Performance Baselines:
- Timer Accuracy: Maintains ±1 second per hour for dependable cycle timing.
- Corrosion Resistance: Full stainless‑steel construction resists moisture and chemical exposure.
- Easy Installation: Union fitting simplifies pipe connections and reduces labor time.
- Wide Temperature Range: Operates safely from –20 °F to 250 °F.
⚠️ Application Profile: Commercial hot‑water boilers, residential hydronic heating loops, steam‑trap timing, and industrial process heating applications.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 110223B-245 |
| Model Designation | Astro 225SSU‑T |
| Body Construction | Stainless Steel Union |
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