17789 2 Taco 006 Bc8Y Product Overview User Manual
User Manual: Pump 17789 2 Taco 006-Bc8Y Product Overview
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The compact Taco 006 Cartridge Circulator is designed for circulating hot and chilled fresh 
water in a wide range of open and closed loop applications.  Its unique, field-serviceable 
cartridge contains all moving parts.  Replacing the cartridge rebuilds the circulator.  With 
no mechanical seal, the self-lubricating, maintenance free design provides quiet, efficient 
operation and unmatched reliability.  Available in Bronze or Stainless Steel construction 
with sweat, threaded or union connections.
Model 006 Cartridge Circulator
©Taco Catalog # 100-1.7  
Supersedes:  09/21/09
Effective Date:  06/01/11
Printed in USA
Water Circulation 
Pumps & Circulators
NSF® ≤ .25% Lead
Meets California AB 1953
and Vermont Act 193

Application
The Taco 006 is designed for circulating hot or chilled fresh water in open or closed loop 
applications.  Typical uses include hydronic heating, domestic hot water recirculation, hydro-
air heating/cooling, heat recovery units, water source heat pumps, drain down open loop 
Solar systems and potable water applications.  The unique, replaceable cartridge contains 
all of the moving parts and allows for easy service instead of replacing the entire circulator.  
The compact, low power consumption design is ideal for high efficiency jobs.
Performance Field - 60Hz
Features
 •StandardHighCapacityOutput-
Compact Design
 •Quiet,EfficientOperation
 •DirectDrive-LowPowerConsumption
 •UniqueReplaceableCartridge
Design-Field Serviceable
 •SelfLubricating
 •NoMechanicalSeal
 •UnmatchedReliability-MaintenanceFree
 •BronzeorStainlessSteelConstructionwith
Sweat,ThreadedorUnionConnections
Materials of Construction
 Casing (Volute):  Bronze or Stainless Steel
 StatorHousing: Steel
 Cartridge:  Stainless Steel
 Impeller: Non-Metallic
 Shaft:  Ceramic
 Bearings:  Carbon
 O-Ring&Gaskets:EPDM-ChlorineResistant
Model Nomenclature
B   -  Bronze, 3/4" Sweat
 BC-Bronze,1/2"Sweat,PanelMountTappings
 ST -StainlessSteel,3/4"NPT
 SC -StainlessSteel,Union,PanelMountTappings
 Variations:
  Z    -  Zoning Circulator
VS-VariableSpeed,SetPoint
 VR -VariableSpeed,OutdoorReset
  VV  -  Variable Speed, Variable Voltage
Performance Data 
 FlowRange:0–10GPM
 HeadRange:0–9Feet
 MinimumFluidTemperature:40°F(4°C)
 MaximumFluidTemperature:220°F(104°C)
 MaximumWorkingPressure:125psi
 Connection Sizes:  
1/2"Swt,3/4"Swt,3/4"NPTorUnion
 FOR INDOOR USE ONLY
F
  A B C D F G ShipWt.
Model Conn. in. mm in. mm in. mm in. mm in. mm in. mm lbs. Kg
 006-B4     3/4"Swt 5-1/8 130 4-1/8 105 2-3/16 56 3-1/16 78 3-5/16844-13/32112 6.0 2.7
 006-BC4     1/2"Swt 5-1/8 130 4-1/8 105 2-1/8 54 3-1/16 78 3-5/16 84 4-1/4 108 6.0 2.7
 006-ST4     3/4"NPT5-5/8 143 4-7/8 124 2 51 3-1/16 78 3-5/16 84 4 102 6.0 2.7 
006-SC4-1Union 5-5/32 131 4-11/32 110 2-31/32 76 3-1/16 78 3-5/16 84 5-15/16 151 6.0 2.7
Pump Dimensions & Weights
Mounting Positions
Standard Optional OKifover
20 psi
ModelVoltsHzPhAmpsRPMHP
 006AllModels115601.5232501/40
MotorPermanentSplitCapacitor 
TypeImpedanceProtected
 Motor      
Options220/50/1,220/60/1,230/60/1,100/110/50/60/1
Electrical Data
Submittal Data Information
Model 006 Cartridge Circulator
SubmittalData#101-028 
Supersedes:09/21/09
Effective:06/01/11
Taco Inc., 1160 Cranston Street. Cranston, RI 02920 / (401) 942-8000 / Fax (401) 942-2360 
Taco (Canada) Ltd., 8450 Lawson Road, Unit #3, Milton, Ontario L9T 0J8 / (905) 564-9422 / Fax (905) 564-9436
www.taco-hvac.com