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Circulator Pumps

Domestic hot water in pipes will cool due to heat loss when there has not been a withdrawal for quite some time. Circulation of domestic hot water ensures a flow inside the pipes, even though hot water is not withdrawn. 

Domestic hot water in pipes will cool due to heat loss when there has not been a withdrawal for quite some time. In large domestic hot water systems, where the distribution piping is extensive, it will take a relatively long time to remove this cool water from the pipes before the hot water can be withdrawn. Due to comfort issues, this is often not acceptable. 

Circulation of domestic hot water ensures a flow inside the pipes, even though hot water is not withdrawn. In this way, the waiting time is kept to an acceptable level. The domestic hot water is circulated at a given minimum temperature to minimise energy consumption. This is controlled by a circulation valve, strategically placed several places in the domestic hot water system. A circulator pump is used to keep the domestic hot water circulating back to the production system (heat exchanger or water heating unit). 

Care taken to minimise bacterial growth in the pipe system often makes it necessary to establish circulation of domestic hot water at a higher temperature. Systematically increasing the temperature in the domestic hot water system makes it possible to destroy some of the undesired bacteria. In larger domestic hot water systems, circulation may conveniently be managed by a BMS.  

  • Grundfos Comfort PM Domestic Hot Water Pump Product Name: Grundfos UP15-14B PM Basic, Grundfos UP15-14BA PM with Autodapt
    Grundfos Comfort PM Domestic Hot Water Pump Product Name: Grundfos UP15-14B PM Basic, Grundfos UP15-14BA PM with Autodapt
    Sale Sale
    $365.00
    $365.00 - $365.00
    $365.00
    $334.20
    $334.20 - $334.20
    $334.20

    Grundfos Comfort 15-14 B PM Domestic Hot Water Circulator Pump (Max 7LPM/10kPa)

    Grundfos Comfort 15-14 B PM Domestic Hot Water Circulator Pump (Max 7LPM/10kPa)  DOWNLOAD PRODUCT BROCHURE COMFORT BASIC is an energy-effici...

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  • Grundfos UPS-N 3 Speed Stainless Steel Circulator Pumps Product Name: Grundfos UPS20-60N Circulator Pump, Grundfos UPS25-60N Circulator Pump, Grundfos UPS25-80N Circulator Pump, Grundfos UPS32-80N Circulator Pump, Grundfos UPS32-100N Circulator Pump, Grundfos UPS20-60NK Circulator Pump, Union Set for UPS20-60N (3/4" F Pipe Connection), Union Set for UPS25-60N (1" F Pipe Connection), Union Set for UPS25-80N (1" F Pipe Connection), Union Set for UPS32-80N (1 1/4" F Pipe Connection), Union Set for UPS32-100N (
    $94.75 - $1,670.35
    From $94.75
    $94.75 - $1,670.35
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    Grundfos UPS-N 3 Speed Ultra-Quiet Stainless Steel Hot Water Circulator Pumps

    Grundfos UPS-N 3 Speed Stainless Steel Circulator Pumps Grundfos UPS(N) pumps are the ideal choice for a wide range of domestic and commercial app...

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  • Grundfos UPS 3 Speed Cast Iron/Bronze Circulator Pumps Product Name: Grundfos UPS25-60 Circulator Pump - 130 mm, Grundfos UPS25-60 Circulator Pump - 180 mm, Grundfos UPS25-80 Circulator Pump - 180 mm, Grundfos UPS25-100 Circulator Pump - 180 mm, Grundfos UPS32-80 Circulator Pump - 180 mm, Grundfos UPS32-100 Circulator Pump - 180 mm, Union Set for UPS25-60/80/100, Union Set for UPS32-80/100
    $67.60 - $1,578.05
    From $67.60
    $67.60 - $1,578.05
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    Grundfos UPS 3 Speed Ultra-Quiet Cast Iron Hot Water Circulator Pumps

    Grundfos UPS 3 Speed Cast Iron/Bronze Circulator Pumps 240v Grundfos UP single-speed circulator pumps are designed for heating systems, while the t...

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  • Bianco Stainless Steel Hot Water Circulator Pumps Product Name: BIA-C2060-150 - 3 speed - 240V 0.10kW Circulator Pump, BIA-C2580-180 - 3 speed - 240V 0.24kW Circulator Pump, BIA-C3280-180 - 3 speed - 240V 0.24kW Circulator Pump
    Bianco Stainless Steel Hot Water Circulator Pumps Product Name: BIA-C2060-150 - 3 speed - 240V 0.10kW Circulator Pump, BIA-C2580-180 - 3 speed - 240V 0.24kW Circulator Pump, BIA-C3280-180 - 3 speed - 240V 0.24kW Circulator Pump
    $418.75 - $418.75
    $418.75
    $418.75 - $418.75
    $418.75

    Bianco C2060-150 3 Speed Hot Water Stainless Steel Circulator Pump for Hot Water Systems

    Bianco C2060-150 3 Speed Hot Water Circulator Pump 0.10kW (75LPM) DOWNLOAD PRODUCT BROCHURE DOWNLOAD USER MANUAL These pumps are used for dom...

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  • Lowara TLCN Stainless Steel Electric Circulator Pumps for Hot Water Product Name: Lowara TLCN 20-2.5 150mm L (1 1/4" Connection), Lowara TLCN 20-4 150mm L (1 1/4" Connection), Lowara TLCN 20-6 150mm L (1 1/4" Connection), Lowara TLCN 25-4 130mm L (1 1/2" Connection), Lowara TLCN 25-6 130mm L (1 1/2" Connection), Lowara TLCN 25-6L 180mm L (1 1/2" Connection)
    Lowara TLCN Stainless Steel Electric Circulator Pumps for Hot Water Product Name: Lowara TLCN 20-2.5 150mm L (1 1/4" Connection), Lowara TLCN 20-4 150mm L (1 1/4" Connection), Lowara TLCN 20-6 150mm L (1 1/4" Connection), Lowara TLCN 25-4 130mm L (1 1/2" Connection), Lowara TLCN 25-6 130mm L (1 1/2" Connection), Lowara TLCN 25-6L 180mm L (1 1/2" Connection)
    $709.60 - $759.70
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    Lowara TLCN Stainless Steel Electric Circulator Pumps for Hot Water

    Lowara TLCN Stainless Steel Electric Circulator Pumps for Domestic Hot Water The Lowara TLCN Hot Water Circulator Pumps are residential and light c...

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  • Calpeda Circulating Pumps for Sanitary Hot Water - NC3 Choose your pump: NC3 25-70 180mm - 136W
    Calpeda Circulating Pumps for Sanitary Hot Water - NC3 Choose your pump: NC3 25-60 130mm - 95W, NC3 25-60 180mm - 95W, NC3 25-70 180mm - 136W, NC3 32-80 180mm - 206W, NC3 32-120 180mm - 265W
    $371.25 - $1,188.00
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    Calpeda NC3 25-60/130 Sanitary Hot Water Circulating Pump for Residential Water Systems

    Calpeda NC3 Circulating Pumps for Sanitary Hot Water   DOWNLOAD PRODUCT BROCHURE The Calpeda NC3 is a compact, robust hot water circulating ...

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  • Grundfos ALPHA2 N Stainless Steel Speed Regulated Circulator Pump Product Name: Grundfos ALPHA2N-25-60N Circulator Pump - 130 mm, Grundfos ALPHA2N-25-60N Circulator Pump - 180 mm, UNION SET FOR ALPHA2 N
    $104.20 - $1,200.20
    $104.20
    $104.20 - $1,200.20
    $104.20

    Grundfos ALPHA2 Stainless Steel Multi Speed Ultra-Quiet Energy Efficient Hot Water Circulator Pumps

    Grundfos ALPHA2 N Stainless Steel Speed Regulated Circulator Pump 230v 1 1/2" M Pipe Size Grundfos ALPHA2 high-efficiency circulator pumps are des...

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  • $728.65 - $819.70
    $728.65
    $728.65 - $819.70
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    DAB VS65-150 Hot Water Bronze Circulator Pump

    DAB VS65-150 0.77kW Hot Water Bronze Circulator Pump (Max 60LPM/60kPa)  DOWNLOAD TECH SPECIFICATIONS The DAB VS65-150 is a premium bronze-bo...

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  • Bianco C1509-160 Hot Water Booster Pump Title: Default Title
    Bianco C1509-160 Hot Water Booster Pump Title: Default Title
    $608.75 - $608.75
    $608.75
    $608.75 - $608.75
    $608.75

    Bianco C1509-160 1 Speed Hot Water Stainless Steel Booster Pump for Domestic Water Supply

    Bianco C1509-160 1 Speed Hot Water Stainless Steel Booster Pump 0.12kW (30LPM) Shower pressure letting you done? Get a boost!  DOWNLOAD PRODUCT ...

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  • Grundfos UP-N Fixed Speed Stainless Steel Circulator Pump Product Name: Grundfos UPN Domestic Booster Pump - UP20-30 N, Grundfos UPN Domestic Booster Pump - UP20-45 N, Union Set for UPN (3/4" F Connection)
    $99.80 - $862.50
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    Grundfos UP-N Fixed Speed Stainless Steel Hot Water Circulator Pump

    Grundfos UP-N Fixed Speed Stainless Steel Circulator Pump 240v 1 1/4" M Connection Grundfos UP, UPS N circulator pumps have a corrosion-free stainl...

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  • Grundfos ALPHA2 Cast Iron Speed Regulated Circulator Pumps Product Name: Grundfos ALPHA2-25-60 Circulator Pump - 130 mm, Grundfos ALPHA2-25-60 Circulator Pump - 180 mm, UNION SET FOR ALPHA2
    $68.05 - $778.55
    $68.05
    $68.05 - $778.55
    $68.05

    Grundfos ALPHA2 Cast Iron Multi Speed Ultra-Quiet Energy Efficient Hot Water Circulator Pumps

    Grundfos ALPHA2 Cast Iron Speed Regulated Circulator Pumps 230v 1 1/2" M Pipe Size Grundfos ALPHA2 circulator pumps are designed for heating and a...

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  • $587.30 - $587.30
    $587.30
    $587.30 - $587.30
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    Grundfos UPA15-90N Stainless Steel Hot Water Pressure Booster Pump (Max 30LPM/90kPa)

    Grundfos UPA15-90N Stainless Steel Hot Water Pressure Booster Pump (30LPM/90kPa)  DOWNLOAD PRODUCT BROCHURE The Grundfos UPA N is an u...

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  • Bianco Stainless Steel Hot Water Circulator Pumps Product Name: BIA-C2060-150 - 3 speed - 240V 0.10kW Circulator Pump, BIA-C2580-180 - 3 speed - 240V 0.24kW Circulator Pump, BIA-C3280-180 - 3 speed - 240V 0.24kW Circulator Pump
    $736.75 - $736.75
    $736.75
    $736.75 - $736.75
    $736.75

    Bianco C2580-180 3 Speed Hot Water Stainless Steel Circulator Pump for Hot Water Systems

    Bianco C2580-180 3 Speed Hot Water Circulator Pump 0.24kW (130LPM) 240v DOWNLOAD PRODUCT BROCHURE DOWNLOAD OPERATIONS MANUAL These pumps are ...

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  • Grundfos Comfort PM Domestic Hot Water Pump Product Name: Grundfos UP15-14B PM Basic, Grundfos UP15-14BA PM with Autodapt
    Grundfos Comfort PM Domestic Hot Water Pump Product Name: Grundfos UP15-14B PM Basic, Grundfos UP15-14BA PM with Autodapt
    Sale Sale
    $555.00
    $555.00 - $555.00
    $555.00
    $527.95
    $527.95 - $527.95
    $527.95

    Grundfos Comfort 15-14 BA PM Domestic Hot Water Circulator Pump with Autodapt (Max 7LPM/10kPa)

    Grundfos Comfort 15-14 BA PM Domestic Hot Water Circulator Pump with Autodapt (Max 7LPM/10kPa)  DOWNLOAD PRODUCT BROCHURE The Grundfos Comfo...

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  • $700.00 - $700.00
    $700.00
    $700.00 - $700.00
    $700.00

    Davey SB25-20 3 Speed Bronze Water Circulator Pump with Union Sets and Gaskets (Max 42LPM/52kPa)

    Davey SB25-20 3 Speed Bronze Water Circulator Pump with Union Sets and Gaskets (Max 42LPM/52kPa)  DOWNLOAD PRODUCT BROCHURE The Davey SB25-20...

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  • $474.40 - $514.60
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    DAB VA55-130 3 Speed Hot Water Cast Iron Circulator Pump

    DAB VA55-130 0.70kW 3 Speed Hot Water Cast Iron Circulator Pump (Max 50LPM/54kPa)  DOWNLOAD TECH SPECIFICATIONS The DAB VA55-130 is a high-ef...

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  • Bianco Stainless Steel Hot Water Circulator Pumps Product Name: BIA-C2060-150 - 3 speed - 240V 0.10kW Circulator Pump, BIA-C2580-180 - 3 speed - 240V 0.24kW Circulator Pump, BIA-C3280-180 - 3 speed - 240V 0.24kW Circulator Pump
    Bianco Stainless Steel Hot Water Circulator Pumps Product Name: BIA-C2060-150 - 3 speed - 240V 0.10kW Circulator Pump, BIA-C2580-180 - 3 speed - 240V 0.24kW Circulator Pump, BIA-C3280-180 - 3 speed - 240V 0.24kW Circulator Pump
    $775.50 - $775.50
    $775.50
    $775.50 - $775.50
    $775.50

    Bianco C3280-180 3 Speed Hot Water Stainless Steel Circulator Pump for Hot Water Systems

    Bianco C3280-180 3 Speed Hot Water Circulator Pump 0.24kW (130LPM) DOWNLOAD PRODUCT BROCHURE DOWNLOAD USER MANUAL These pumps are used for do...

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  • $800.00 - $800.00
    $800.00
    $800.00 - $800.00
    $800.00

    Davey SS30-25 3 Speed Stainless Steel Water Circulator Pump with Union Sets and Gaskets (Max 50LPM/52kPa)

    Davey SS30-25 3 Speed Stainless Steel Water Circulator Pump with Union Sets and Gaskets (Max 50LPM/52kPa)  DOWNLOAD PRODUCT BROCHURE The Dave...

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  • $840.00 - $840.00
    $840.00
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    Davey SB30-25 3 Speed Bronze Water Circulator Pump with Union Sets and Gaskets (Max 50LPM/56kPa)

    Davey SB30-25 3 Speed Bronze Water Circulator Pump with Union Sets and Gaskets (Max 50LPM/56kPa)  DOWNLOAD PRODUCT BROCHURE The Davey SB30-25...

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  • $490.00 - $490.00
    $490.00
    $490.00 - $490.00
    $490.00

    Davey SC20-25 3 Speed Cast Iron Water Circulator Pump with Union Sets and Gaskets (Max 33LPM/55kPa)

    Davey SC20-25 3 Speed Cast Iron Water Circulator Pump with Union Sets and Gaskets (Max 33LPM/55kPa)  DOWNLOAD PRODUCT BROCHURE The Davey SC20...

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  • $512.35 - $552.55
    From $512.35
    $512.35 - $552.55
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    DAB VA65-130 3 Speed Hot Water Cast Iron Circulator Pump

    DAB VA65-130 0.78kW 3 Speed Hot Water Cast Iron Circulator Pump (Max 50LPM/60kPa)  DOWNLOAD TECH SPECIFICATIONS The DAB VA65-130 is a heavy-d...

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  • $447.80 - $488.05
    From $447.80
    $447.80 - $488.05
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    DAB VA35-130 3 Speed Hot Water Cast Iron Circulator Pump

    DAB VA35-130 0.56kW 3 Speed Hot Water Cast Iron Circulator Pump (Max 50LPM/43kPa)  DOWNLOAD TECH SPECIFICATIONS The DAB VA35-130 is a compact...

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  • Calpeda Energy Saving Circulating Pumps - NCE EI Product Name: NCE EI 25-60 180mm - 42W + Cast Iron Union Kit
    $680.70 - $699.95
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    Calpeda NCE EI 25-60 Cast Iron / Brass Energy Saving Variable Speed Circulator Pump System

    Calpeda NCE EI 25-60 40mm Cast Iron Energy Saving Variable Speed Circulating Pumps (58LPM/58kPa)  DOWNLOAD PRODUCT SPECIFICATIONS FEATURES &...

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  • Grundfos MAGNA1 N Circulator Pump with Integrated Variable Speed Product Name: Grundfos MAGNA1 25-60 N (G 1 1/2" Connection), Grundfos MAGNA1 25-120 N (G 1 1/2" Connection), Grundfos MAGNA1 32-60 N (G 2" Connection), Grundfos MAGNA1 32-120 N (G 2" Connection), Grundfos MAGNA1 40-60 F N (DN 40 Connection), Grundfos MAGNA1 40-120 F N (DN 40 Connection), Grundfos MAGNA1 50-120 F N (DN 50 Connection)
    Grundfos MAGNA1 N Circulator Pump with Integrated Variable Speed Product Name: Grundfos MAGNA1 25-60 N (G 1 1/2" Connection), Grundfos MAGNA1 25-120 N (G 1 1/2" Connection), Grundfos MAGNA1 32-60 N (G 2" Connection), Grundfos MAGNA1 32-120 N (G 2" Connection), Grundfos MAGNA1 40-60 F N (DN 40 Connection), Grundfos MAGNA1 40-120 F N (DN 40 Connection), Grundfos MAGNA1 50-120 F N (DN 50 Connection)
    $2,110.00 - $6,125.70
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    Grundfos MAGNA1 N Circulator Pump with Integrated Variable Speed

    Grundfos MAGNA1 N Circulator Pump with Integrated Variable Speed The Grundfos MAGNA1 circulator pump is the simple option for a job well done. With...

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