006 Stainless Steel Circulator Pump, 3/4" NPT, 1/40 HP, 115V
Brand: Taco
Part#: 006-ST4
In Stock
Usually ships: within 1 business days
Taco 006-ST4 Stainless Steel Circulator Pump is designed for circulating hot or chilled fresh water in open or closed loop applications. Common uses include hydronic heating, chilled water cooling, and domestic hot water systems, hydro-air heating/cooling, heat recovery units, water source heat pumps, drain down open loop solar systems and potable water applications.
Stainless Steel Taco 006-ST4 Circulator Pump features a unique replaceable cartridge which allows for easy service, instead of replacing the entire circulator. Taco 006-ST4 Circulator pump is compact, direct-drive, features low power consumption and is ideal for high-efficiency jobs.

  • Domestic Hot Water Recirculation;
  • Hydronic Heating / Cooling;
  • Radiant Heating;
  • Heat Recovery Units;
  • Solar;
  • And many others;
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  • Taco 006-BT4

Technical Specifications:
  • Flow Range: 0 – 10 GPM;
  • Head Range: 0 – 9 Feet;
  • Minimum Fluid Temperature: 40˚F (4˚C);
  • Maximum Fluid Temperature: 220°F (104˚C);
  • Maximum Working Pressure: 125 psi;
  • Connection Sizes: 3/4 NPT threaded;
  • Voltage: 115V;
  • Hertz: 60Hz;
  • Phase: 1;
  • Amps: 0.52 Amps;
  • HP: 1/40HP;
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Verified Purchase
Very nice!
I've had this pump for about a week in a five zone heating system. It's very quiet & seems to be well built. The pump does have a horizontal installation requirement unless the system is being operated at over 20 PSI but this wasn't an issue for me.
By tllong2 (from PA, US) on 11/12/2012
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Taco circulator
Super fast shipping! Perfect replacement for my failed original domestic hot water circulator.
By Jack (from CT) on 11/11/2012
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Excellent product for my purpose.
Installed this pump on a CPVC convection domestic hot water return line. No more waiting for hot water to get to my shower. Sits on the floor next to the hot water heater. Installed per the Taco drawing for single level house.
By Bob (from Blairsville, GA) on 12/10/2011
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Great product
"Used to circulate water for a hot rod in a wood burning stove. Goes from stove to a hot water heater to heat water. Very fast delivery! Thank you"
By servant joe (from MA) on 11/02/2011
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Great pump
Great pump. Thanks
By Toro (from NY) on 08/10/2011
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Perfect fit and perfect operation
I needed a Circulator pump for my Solar water heater project and after some research, the pump met all my expectations, especially price. The pump is so quiet I wasn't sure it was running, but it was and is doing a great job. Installation instructions were clear and easy, no special tools needed, great pump.
By Dave the DIY'er (from Queen Creek, AZ) on 06/20/2011
Ask a Question
So you can use this pump in the Horizontal Position with 20 psi and above I will be using this pump for Circulating hot water thought coil in wood stove to Hot water tank The pump will be used in the well pressure range. Horizontal Position Will Be OK ?
Helpful? Yes No
Yes, as long as the pressure is over 20 psi and the motor is on top.
By PexUniverse Customer Service on 12/27/2013
what is the minimum inlet pressure or Head in an open loop system at 190F
Helpful? Yes No
Circulator pumps do not require minimum inlet pressure to operate. If used in domestic hot water recirculation applications, the inlet pressure in the system is the same as municipal water pressure or, if using well water system is within the pressure switch settings of the well pump.
By PexUniverse Customer Service on 12/12/2012

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