Description
Bell & Gossett 02220400 Wessels Replacement Bladder for NLA-400 Expansion Tank
Keep your hydronic system operating at peak efficiency with the Bell & Gossett 02220400 Wessels Replacement Bladder, designed specifically for the NLA-400 expansion tank. This OEM-quality replacement bladder restores proper system pressure control and extends the service life of your existing tank, eliminating the need for a costly full tank replacement.
Product Overview
Expansion tank bladders are a critical component in closed-loop hydronic heating and cooling systems. Over time, bladders can fatigue, rupture, or lose their ability to maintain proper pre-charge pressure separation — leading to system pressure fluctuations, waterlogged tanks, and reduced equipment life. The Bell & Gossett 02220400 is engineered as a direct-fit replacement for the Wessels NLA-400 expansion tank, ensuring a reliable, leak-free seal and consistent performance.
Key Features
- OEM-compatible replacement bladder for the Wessels NLA-400 expansion tank
- Restores proper air/water separation for accurate pressure control
- Extends the service life of your existing expansion tank
- Cost-effective alternative to full tank replacement
- Manufactured to Bell & Gossett / Wessels quality standards
- Designed for use in closed-loop hydronic heating and cooling systems
Applications
- Hydronic heating systems
- Chilled water cooling systems
- Commercial and industrial closed-loop HVAC applications
Why Choose Bell & Gossett?
Bell & Gossett, a Xylem brand, is a trusted leader in hydronic system components. Their Wessels expansion tanks and replacement parts are engineered for durability and long-term reliability in demanding HVAC environments. Choosing a genuine Bell & Gossett replacement bladder ensures compatibility, proper fit, and the performance your system demands.







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