TACO 006-B4 Bronze Circulator Pump 3/4-Inch Sweat | Efficient Hydronic Circulation

Overview

The Taco 006-B4 Bronze Circulator Pump is a compact, reliable solution for circulating hot or chilled water in open or closed loop systems. Designed for a range of applications, it supports hydronic heating, domestic hot water recirculation, hydro-air heating and cooling, heat recovery units, water source heat pumps, and potable water setups. The unit combines a replaceable cartridge with a direct-drive motor to deliver steady flow while keeping maintenance simple.

With a focus on efficiency, this pump is well suited for high-performance installations where space is limited and downtime matters. Its bronze construction and serviceable design offer robust operation in real-world environments, from retrofit projects to new builds. Expect quiet operation and a compact footprint that fits tight mechanical rooms or closet installations without compromising performance.

Key specifications

• Flow Range: 0-10 GPM
• Head Range: 0-9 Feet
• Minimum Fluid Temperature: 40F
• Maximum Fluid Temperature: 220F
• Maximum Working Pressure: 125 psi
• Connection Sizes: 3/4 Sweat
• Standard High Capacity Output with Compact, Quiet Design
• Direct Drive with Low Power Consumption
• Unique Replaceable Cartridge Design for Field Serviceability
• Self-Lubricating Bearings with No Mechanical Seal for Maintenance-Free Operation
• Construction: Cast Iron, Bronze, or Hybrid options with Sweat, Threaded or Union Connections
• Motor Power: 0.025 hp

Why it matters for your system

Open or closed loop setups benefit from dependable circulation that keeps temperatures consistent and circulation steady. The 006-B4 is designed to fit a variety of common configurations, supporting efficient heat transfer and reliable domestic hot water management. Its compact design helps you maximize equipment room use while maintaining solid flow characteristics across a range of loads.

Real-world use cases include hydronic heating in radiant floor or baseboard systems, hot water recirculation to reduce wait times at taps, and integration with heat recovery or solar configurations where controlled circulation is essential. The combination of a bronze body and a replaceable cartridge means service can be performed without replacing the entire unit, potentially reducing downtime and total cost of ownership.

Service and installation considerations

• Choose the 3/4 Sweat connection for straightforward piping in small to mid-sized systems
• Keep within the 40F to 220F fluid temperature range and 125 psi pressure rating for safe operation
• Rely on low power consumption to support energy-efficient installations
• Benefit from field serviceability with a replaceable cartridge for easier maintenance

Whether you are outfitting a retrofit or a new build, the Taco 006-B4 Bronze Circulator Pump offers a practical balance of performance, efficiency, and serviceability. It is a versatile choice for professionals seeking dependable circulation in everyday heating and hot water systems without overhauling existing infrastructure.