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CW Series Expansion Tanks

Bladder Type for Permanent Separation of Air and Water

Taco CW Series Expansion Tanks are bladder type tanks that provide permanent separation of air and water. Designed for use in hydronic systems, hydro-pneumatic and draw down applications, they are tough, durable, long lasting and come in a variety of sizes to fit your application. They feature a removable heavy-duty butyl rubber bladder, fabricated carbon steel shell and 304SS system connection for protection from corrosion.

Taco CW Series Expansion Tanks are designed, constructed and tested to ASME Section VIII, Div. 1 requirements. Computerized product selection helps you choose the expansion tank that is just the right fit for your application requirements. All fabrication is done in-house to assure a high level of quality.

Instruction Sheet
Submittal Data
eLink Instructions
Introducing eLink® Connectivity

eLink® is Taco Comfort Solutions’ line of cloud services, providing users access to their devices data and performance while giving them control over their comfort. Using a Taco product featuring eLink provides users with support, monitoring, or controls straight from their mobile phone, tablet, or laptop. Now, it’s even easier to get important information, status updates and control of your Taco products. eLink provides the answer for both residential and commercial applications, just look for the logo to see if your product is connected.

Products featuring eLink are categorized into three application specific categories: Support, Monitoring, and Controls. These features of eLink identify how the cloud provides you with the support and control you require.

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Performance Data

Capacity: 158-528 Gallons (600-2000 Liters)
Diameters: 30-48″
Height: 74-93″
Working Pressure: 125,150,175, 250, 300 (PSI) Higher Pressures Optional
Max. Operating Temp.: 240°F

  • Designed, constructed and tested to ASME Section VIII, Div. 1 requirements.
  • Heavy Duty butyl rubber bladder
  • Full acceptance bladder design (field replaceable)
  • All fabrication done in house
  • Computerized selections to ensure fast and easy design
  • All wetted surfaces made from FDA approved materials for potable water applications
  • National Board Registration
  • CRN registration (optional)
  • Hot Water Heating Systems
  • Closed Cooling Circuits
  • Air Conditioning Systems
  • Hydronic Heating & Cooling
  • Water/Glycol concentrations up to 50%
  • Solar / Geothermal
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