Taco Bumble Bee variable speed wet rotor circulator pumps feature a high efficiency ECM motor, which uses up to 85% less electricity than standard circulators. A 360° swivel flange makes installation quick and easy. The Bumble Bee’s Delta-T variable speed technology maximizes the overall efficiency of any heating system.

Category Products

  • SKU: TC8090
  • Obsolete

The Taco Bumble Bee model HEC-2 is a multi-function, variable speed, wet rotor circulator with an ECM, permanent magnet motor. Its maximum flow is 25 GPM.

This item is obsolete. It is shown for reference purposes only. Please call (877) 775-7705 for repair parts and replacements.

Category Information

Category Videos

Taco: Bumble Bee High-Efficiency Variable Speed Circulator

Taco: Bumble Bee High-Efficiency Variable Speed Circulator

The new Taco Bumble Bee's high efficiency ECM motor uses up to 85% less electricity than a standard circulator, and its out-of-the box settings and 360° swivel flange makes it a breeze to install. Most importantly, the Bumble Bee's Delta-T variable speed technology maximizes the overall efficiency of your heating system.

Taco: Basics of Hydronic System Solutions Software

Taco: Basics of Hydronic System Solutions Software

Taco Hydronic System Solutions is a dynamic, drag-and-drop technology software that assists HVAC designers in the design of hydronic equipment systems, setting of system parameters and the scheduling of HVAC equipment.

Pump Chart Basics Explained

Pump Chart Basics Explained

In this video, Paul from The Engineering Mindset takes a look at pump charts to understand the basics of how to read a pump chart. We look at basic pump curve, head pressure, flow rate, pump performance, impeller size, efficiency, NPSH, multi-speed pumps, VFD's, rotational speed, voltage, frequency, and phases to help you learn HVAC, HVACR, and mechanical engineering.

Taco: HVAC Pump Fundamentals

Taco: HVAC Pump Fundamentals

This webinar from Taco covers the following topics: pump components, principles of operations, types of impellers, types of designs, discharge arrangements, mechanical seals, closed and open systems, affinity laws, common pump styles, and pump curves.