
Maintain peak efficiency in your closed-loop heating or chilled water HVAC system with the 2220805 replacement bladder designed specifically for the Wessels NLA-800L expansion tank. This high-quality component is essential for managing thermal expansion and preventing dangerous pressure spikes that can compromise sensitive system components and piping.
The bladder acts as a flexible barrier within the tank, separating system fluid from the air cushion. As temperatures rise and fluid expands, the bladder compresses the air charge, absorbing the volume change and keeping internal system pressures within safe operational limits, which prevents premature relief valve discharge and component fatigue.
Key System Performance Baselines:
- Pressure Regulation: Precisely manages thermal expansion to prevent system over-pressurization.
- Extended Longevity: High-grade material construction ensures resistance to chemical degradation and daily cycling.
- System Integrity: Maintains proper air-to-water separation for reliable, consistent heat transfer performance.
⚠️ Application Profile: Recommended for commercial and industrial closed-loop hydronic heating systems, chilled water loops, and large-scale facility cooling applications requiring consistent pressure stabilization.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 2220805 |
| Model Designation | NLA-800L |
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
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- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
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