Taco VT2218-2F2 Viridian Delta-T Variable Speed Circulator with ECM Motor

Original price was: $476.84.Current price is: $437.81.

6 in stock

SKU: 1067346 Categories: ,


The Taco VT2218-2F2 Viridian Delta-T Variable Speed Circulator is a popular choice for hydronic heating and cooling systems thanks to its efficient performance and versatility. Here’s a breakdown of its key features and functions:


  • Circulates hot or chilled water in closed-loop hydronic systems for a variety of applications like radiant heating, baseboard heating, fan coils, and chilled water cooling.
  • Variable speed technology adjusts pump performance based on system demands, optimizing energy efficiency and reducing noise.
  • Delta-T operation automatically adjusts flow rate based on the temperature difference between supply and return water, further maximizing efficiency.
  • 1/25 HP motor provides sufficient power for most small to medium-sized systems.

Key Features:

  • High-efficiency ECM motor: Uses up to 85% less electricity compared to traditional circulator pumps, leading to significant savings on energy bills.
  • Whisper-quiet operation: Ideal for residential applications.
  • Intuitive user interface: Large backlit LCD screen displays mode, operating parameters, and error codes for easy monitoring and troubleshooting.
  • Multiple operating modes: Choose from Delta-T, fixed speed, setpoint heat, setpoint cool, and boiler protection modes to match your system requirements.
  • Compact and lightweight design: Makes installation easy in tight spaces.
  • Durable cast iron construction: Ensures long-lasting performance and reliability.
  • Flanged connections: Simplify connection to piping.
  • Built-in protection features: Includes anti-seize protection, dry run protection, and overload protection for enhanced safety and pump longevity.


  • Residential and light commercial hydronic heating systems (radiant, baseboard, fan coil).
  • Chilled water cooling systems.
  • Domestic hot water recirculation systems.

Things to Consider:

  • System compatibility: Ensure the pump’s flow rate, head capacity, and operating temperature range match your system requirements.
  • Professional installation recommended: While DIY installation is possible, consulting a qualified plumber is recommended for optimal performance and safety, especially when dealing with hydronic systems and electrical connections.
  • Maintenance: Regular inspection and cleaning of the pump are recommended to ensure optimal performance and prevent premature wear.

Overall, the Taco VT2218-2F2 Viridian Delta-T Variable Speed Circulator is a highly efficient and versatile choice for various hydronic heating and cooling applications. Its energy-saving ECM motor, Delta-T technology, multiple operating modes, and intuitive user interface make it a popular option for both homeowners and professionals seeking dependable and efficient water circulation.

Additional information

Weight 8.64 lbs


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