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121-138 Series In-Line Circulators

121-138 Series In-Line Circulators

With millions in service and backed by more than five decades of experience, Taco 121-138 Series In-Line Circulators have earned their reputation for proven performance and dependable, quiet operation. These 121-138 Series In-Line Circulators are designed to efficiently circulate heated or chilled water in a full range of  residential and commercial hydronic and solar systems. You can also use the 121-138 Series In-Line Circulators for zoning large installations, for primary-secondary systems and for parallel pumping designs. These rugged workhorses are available in sizes and configurations to meet all your needs, including stainless steel construction for fresh water service.

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Performance Data

Flow Range: 0 – 160 GPM
Head Range: 0′ – 40′
Max. Fluid Temp.: 250°F
Max. Operating Pressure: 150 PSI
HP: ¼ – 1
Connection Sizes: 2 ½” – 3″

Features
  • Proven Performance
  • Dependable, Quiet Operation
  • Unique Universal Cartridge Design for Long Bearing Life
  • Carbon Ceramic Mechanical Seal
  • Rugged Resilient Mounted Motor
  • 100% Factory Tested
  • Easy, Low-Cost Service
  • Available in Stainless Steel Construction for Domestic Hot Water Applications
Applications
  • Residential Commercial Hydronic Heating and Chilled Water
  • Commercial Hydronic and Solar Systems
  • Domestic Hot Water Heating and Recirculation
Models & Related Documents

Stainless Steel
Models

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