Armstrong 573100-007 - A300-L Bladder-Type Expansion Tank
Armstrong 573100-007 - A300-L Bladder-Type Expansion Tank
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This reliable expansion tank is designed to manage excess water volume in hydronic heating systems caused by thermal expansion, effectively protecting your plumbing components from pressure spikes. The Armstrong 573100-007 serves as a direct replacement for the A300-L model, ensuring your system maintains optimal pressure stability for consistent performance.
The unit functions by utilizing an internal bladder that separates the system water from the air cushion. As temperatures rise and water expands, the bladder compresses against the pressurized air pocket, safely absorbing the increase in volume and preventing unnecessary relief valve discharge.
Key System Performance Baselines:
- Pressure Regulation: Precisely manages system fluctuations to extend component lifespan.
- Seamless Integration: Engineered for quick, straightforward installation in standard hydronic loops.
- Reliable Containment: Heavy-duty construction ensures structural integrity under continuous thermal cycling.
⚠️ Application Profile: Ideal for residential and commercial closed-loop hydronic heating, radiant floor systems, and chilled water cooling loops where thermal expansion management is essential.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 573100-007 |
| Model Designation | A300-L |
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