Taco 0015E3-F4 - ECM High-Efficiency Circulator - Cast Iron, 16 GPM, Universal Flanged

The Taco 0015E3-F4 is a high-efficiency, variable-speed circulator pump designed for closed-loop hydronic heating systems such as radiant or baseboard heating. It features an electronically commutated motor (ECM) with three selectable constant-pressure modes, offering flexibility, energy savings, and reliable performance. This model is not for potable water or chilled water applications.

Specifications

Flow rate: up to 16 gallons per minute (GPM)
Maximum head: 18 feet
Pressure settings: three constant-pressure modes (5 ft, 10 ft, 18 ft)
Voltage: 120V, 60 Hz, single phase
Maximum operating power: 44W
Amperage: up to 0.54A
Motor type: ECM permanent magnet
Casing: cast iron
Flange type: 4-bolt universal, fits multiple piping sizes
Components: composite cartridge and impeller, ceramic shaft, carbon bearings
Insulation: double-insulated, no ground wire required
Maximum operating pressure: 125 psi
Fluid temperature range: 36°F to 230°F
Fluid compatibility: water or up to 50% water/glycol solution
Usage note: not intended for potable or chilled water systems

Features

Integral Flow Check (IFC): prevents gravity flow and eliminates external valve requirements
High-efficiency ECM motor: reduces energy use by up to 85%
SureStart™: automatically unblocks the pump and purges air to avoid lock-ups
BIO Barrier®: shields pump components from system contaminants
Diagnostics: LED indicator shows operating status and error codes
Ease of wiring: dual knockouts and 6-inch stranded wire leads simplify connections

Applications

Closed-loop hydronic heating systems
Radiant and baseboard heating installations
Energy-efficient heating system upgrades
Systems requiring variable-speed circulators with selectable constant pressure modes

^PKZ1900129

Collection: $300 to $350

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0015E3-F4 - ECM High-Efficiency Circulator - Cast Iron, 16 GPM, Universal Flanged