Series S Circulating Pumps

Series S Circulating Pumps

Armstrong Series S pumps are in-line circulators that are suitable for applications such as hydronics heating and cooling, domestic water systems, multi-stage zoning and general industrial service. Both bronze fittet and all bronze models are available in a wide range of sizes to match the performance requirements of any of these applications. Armstrong Series S & H circulators are durable and trusted products that have been used by HVAC professionals for decades.

Information:

If you have any questions please give us a call at 1-800-781-7405 or email us your request. Sales@NationalPumpSupply.com

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  • 174031MF-013 Armstrong S-25 Cast Iron Pump
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    174031MF-013 Armstrong S-25 Cast Iron Pump 1/12HP

    Armstrong

    $324.95
    174031MF-013 Armstrong S-25 Cast Iron Bronze Fitted Pump w/ 1/12 hp. Repair Parts: 816706-021 Armstrong Seal Kit 1/2" 810119MF-001 Armstrong Bearing Assembly 816999MF-041 Shaft & Bearing Module 104442-000 Armstrong Body Gasket 812961-111...
    $324.95
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    Qty in Cart: 0
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    $324.95
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  • 174031LF-043 Armstrong S-25 AB All Bronze Centrifugal Pump
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    174031MF-043 Armstrong S-25 AB All Bronze Centrifugal Pump

    Armstrong

    $528.95
    174031LF-043 Armstrong S-25 AB All Bronze Centrifugal Pump with 1/12 hp. Repair Parts: 816706-021 Armstrong Seal Kit 1/2" 810119MF-001 Armstrong Bearing Assembly 816999MF-041 Shaft & Bearing Module 104442-000 Armstrong Body Gasket 812961-041...
    $528.95
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    Qty in Cart: 0
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    $528.95
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  • 174036MF-113 Armstrong S-45 Cast Iron Pump
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    174036MF-113 Armstrong S-45 Cast Iron Pump

    Armstrong

    $868.95
    174036MF-113 Armstrong S-45 Bronze Fitted Cast Iron Pump with 1/4 hp Less Flanges. Flanges sold separately. Information: Armstrong S&H Pump Brochure Armstrong S&H Pump Installation Guide Armstrong "S" Series Pump Submittal Sheet Armstrong...
    $868.95
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    Qty in Cart: 0
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    $868.95
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  • 174033MF-013 Armstrong S-35 Cast Iron Pump 1/6HP
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    174033MF-013 Armstrong S-35 Cast Iron Pump 1/6HP

    Armstrong

    $658.95
    174033MF-013 Armstrong S-35 Bronze Fitted Cast Iron Pump with 1/6 hp. Information: Armstrong S&H Pump Brochure Armstrong S&H Pump Installation Guide Armstrong "S" Series Pump Submittal Sheet Armstrong "H" Series Pump Submittal...
    $658.95
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    Qty in Cart: 0
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    $658.95
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  • 174036MF-143 Armstrong S-45 AB Bronze Pump
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    174036MF-143 Armstrong S-45 AB Bronze Pump 1/4HP

    Armstrong

    $1,598.95
    174036MF-143 Armstrong S-45 AB All Bronze Centrifugal Pump with 1/4 hp Less Flanges. Flanges sold separately. Repair Parts: 106050-000 Armstrong Body Gasket 806168-001 Armstrong Spring Coupler 4 Spring 816305-328 Armstrong Non Ferrous Impeller...
    $1,598.95
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    Qty in Cart: 0
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    $1,598.95
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  • 110116MF-203 Armstrong S-45 LV Pump Less Volute
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    110116MF-203 Armstrong S-45 LV Pump Less Volute

    Armstrong

    $848.95
    110116MF-203 Armstrong S-45 LV Pump Less Volute with 1/4 hp single phase motor and 4-1/4" Impeller. Armstrong Series S&H pumps are in-line circulators that are suitable for applications such as hydronics heating and cooling, domestic water...
    $848.95
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    Qty in Cart: 0
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    $848.95
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  • 106285MF-742 Armstrong S-57-1 Cast Iron Pump 3/4HP 1PH ECM Motor
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    106285MF-742 Armstrong S-57-1 Cast Iron Pump 3/4HP 1PH ECM Motor

    Armstrong

    $2,479.95
    106285MF-742 Armstrong S-57-1 BF Cast Iron Pump 3/4HP 1PH ECM Motor 115/1/60. Information: Armstrong S&H Pump Brochure Armstrong S&H Series ECM Motor Pump Installation Guide Armstrong S&H Series ECM Motor Pump Submittal Sheet Armstrong...
    $2,479.95
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    Qty in Cart: 0
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    Price:
    $2,479.95
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  • 106284MF-132 Armstrong S-55-1 Cast Iron Pump 1/2HP
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    106284MF-132 Armstrong S-55-1 Cast Iron Pump 1/2HP

    Armstrong

    $1,428.95
    106284-132 Armstrong S-55-1 Bronze Fitted Cast Iron Pump with 1/2 hp. Information: Armstrong S&H Pump Brochure Armstrong S&H Pump Installation Guide Armstrong "S" Series Pump Submittal Sheet Armstrong "H" Series Pump Submittal...
    $1,428.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,428.95
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  • 174033MF-043 Armstrong S-35AB Circulation Pump 1/6HP
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    174033MF-043 Armstrong S-35AB Circulation Pump 1/6HP

    Armstrong

    $1,138.95
    174033MF-043 Armstrong S-35AB Circulation Pump 1/6HP. Repair Parts: 106049-000 Armstrong Body Gasket 806026-001 Armstrong Coupler Assembly 816322-111 Armstrong Pump Impeller 3-3/8" 816706-021 Armstrong Mechanical Seal Assembly 810119MF-003...
    $1,138.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,138.95
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  • 116531-132 Armstrong S-69-1 Cast Iron Pump 1 HP
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    116531-132 Armstrong S-69-1 Cast Iron Pump 1 HP

    Armstrong

    $2,407.95
    116531-132 Armstrong S-69-1 Bronze Fitted Cast Iron Pump with 1 hp. ***Please note this pump has to ship LTL regular ground freigth as it's to heavy for UPS*** Information: Armstrong S&H Pump Brochure Armstrong S&H Pump Installation...
    $2,407.95
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    Qty in Cart: 0
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    Price:
    $2,407.95
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  • 174037MF-113 Armstrong S-46 Cast Iron Pump
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    174037MF-113 Armstrong S-46 Cast Iron Pump

    Armstrong

    $1,268.95
    174037MF-113 Armstrong S-46 Bronze Fitted Cast Iron Pump with 1/3 hp. Information: Armstrong S&H Pump Brochure Armstrong S&H Pump Installation Guide Armstrong "S" Series Pump Submittal Sheet Armstrong "H" Series Pump Submittal...
    $1,268.95
    Add to Cart
    Qty in Cart: 0
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    Price:
    $1,268.95
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  • 106285MF-136A Armstrong S-57-3 Cast Iron Pump 3/4HP
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    106285MF-136A Armstrong S-57-3 Cast Iron Pump 3/4HP 3PH

    Armstrong

    $1,712.95
    106285MF-136A Armstrong S-57-3 Cast Iron Pump 3/4HP Maintenance Free Design. Information: Armstrong S&H Pump Brochure Armstrong S&H Pump Installation Guide Armstrong "S" Series Pump Submittal Sheet Armstrong "H" Series Pump Submittal...
    $1,712.95
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    Qty in Cart: 0
    Quantity:
    Price:
    $1,712.95
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  • 110116MF-200 Armstrong S-25 LV Pump Less Volute
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    110116MF-200 Armstrong S-25 LV Pump Less Volute

    Armstrong

    $314.95
    110116MF-200 Armstrong S-25 LV Pump Less Volute with 1/12 hp single phase motor and 2-3/4" Impeller. Armstrong Series S&H pumps are in-line circulators that are suitable for applications such as hydronics heating and cooling, domestic water...
    $314.95
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    Qty in Cart: 0
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    Price:
    $314.95
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  • 106284MF-133 Armstrong S-55-1 AB Bronze Centrifugal Pump
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    106284MF-133 Armstrong S-55-1 AB Bronze Centrifugal Pump

    Armstrong

    $2,458.95
    106284MF-133 Armstrong S-55-1 AB All Bronze Centrifugal Pump with 1/2 hp. Information: Armstrong S&H Pump Brochure Armstrong S&H Pump Installation Guide Armstrong "S" Series Pump Submittal Sheet Armstrong "H" Series Pump Submittal...
    $2,458.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,458.95
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  • 174037MF-143 Armstrong S-46 AB Bronze Centrifugal Pump
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    174037MF-143 Armstrong S-46 AB Bronze Centrifugal Pump

    Armstrong

    $2,452.95
    174037MF-143 Armstrong S-46 AB All Bronze Centrifugal Pump with 1/3 hp. Repair Parts: 106050-000 Armstrong Body Gasket 806168-001 Armstrong Spring Coupler 4 Spring 816706-021 Armstrong Seal Kit 1/2" STD/BF/AB 816305-325 Armstrong Non Ferrous...
    $2,452.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,452.95
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  • 106285MF-132 Armstrong S-57-1 Cast Iron Pump 3/4HP 1PH
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    106285MF-132 Armstrong S-57-1 Cast Iron Pump 3/4HP 1PH

    Armstrong

    $1,786.95
    106285MF-132 Armstrong S-57-1 Cast Iron Pump 3/4HP 1PH. Information: Armstrong S&H Pump Brocure Armstrong S&H Pump Installation Guide Armstrong "S" Series Pump Submittal Sheet Armstrong "H" Series Pump Submittal Sheet Armstrong...
    $1,786.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,786.95
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  • 106285MF-137A Armstrong S-57-3 AB All Bronze Centrifugal Pump
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    106285MF-137A Armstrong S-57-3 Bronze Pump

    Armstrong

    $2,574.95
    106285MF-137A Armstrong S-57-3 AB All Bronze Centrifugal Pump with 3/4 hp. Information: Armstrong S&H Pump Brochure Armstrong S&H Pump Installation Guide Armstrong "S" Series Pump Submittal Sheet Armstrong "H" Series Pump Submittal...
    $2,574.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,574.95
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  • 110116MF-204 Armstrong S-46 LV Pump Less Volute
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    110116MF-204 Armstrong S-46 LV Pump Less Volute

    Armstrong

    $1,258.95
    110116MF-204 Armstrong S-46 LV Pump Less Volute with 1/3 hp single phase motor and 4-1/4" Impeller. Armstrong Series S&H pumps are in-line circulators that are suitable for applications such as hydronics heating and cooling, domestic water...
    $1,258.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,258.95
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  • 106285MF-133 Armstrong S-57-1 AB Bronze Centrifugal Pump
    Add to Cart

    106285MF-133 Armstrong S-57-1 AB Bronze Centrifugal Pump

    Armstrong

    $2,598.95
    106285MF-133 Armstrong S-57-1 AB All Bronze Centrifugal Pump with 3/4 hp. Information: Armstrong S&H Pump Brochure Armstrong S&H Pump Installation Guide Armstrong "S" Series Pump Submittal Sheet Armstrong "H" Series Pump Submittal...
    $2,598.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,598.95
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  • 116535-136A Armstrong S-69-3 Cast Iron Pump 3PH
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    116535-136A Armstrong S-69-3 Cast Iron Pump 3PH

    Armstrong

    $2,407.95
    116535-136A Armstrong S-69-3 Cast Iron Pump 3PH/1HP/208/230/460V. ***Please note this pump has to ship LTL regular ground freigth as it's to heavy for UPS*** Information: Armstrong S&H Pump Brochure Armstrong S&H Pump Installation...
    $2,407.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,407.95
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  • 106284MF-136A Armstrong S-55-3 Cast Iron Pump 1/2HP
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    106284MF-136A Armstrong S-55-3 Cast Iron Pump 1/2HP

    Armstrong

    $1,434.95
    106284MF-136A Armstrong S-55-3 Cast Iron Pump 1/2HP. The 106284MF-136 Armstrong S-55-3 Bronze Fitted Cast Iron Pump with 1/2 hp is part of the Armstrong Series S & H series circulating pumps. Armstrong in-line circulators are suitable...
    $1,434.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,434.95
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  • 106285MF-843 Armstrong S-57-1 Bronze Pump 3/4HP 230V ECM Motor
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    106285MF-843 Armstrong S-57-1 Bronze Pump 3/4HP 230V ECM Motor

    Armstrong

    $3,341.95
    106285MF-843 Armstrong S-57-1 Bronze Pump 3/4HP 230V ECM Motor. Information: Armstrong S&H Pump Brochure Armstrong S&H Series ECM Motor Pump Installation Guide Armstrong S&H Series ECM Motor Pump Submittal Sheet Armstrong "S" Series...
    $3,341.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,341.95
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  • 106285MF-743 Armstrong S-57-1 Bronze Pump 3/4HP 1PH ECM Motor
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    106285MF-743 Armstrong S-57-1 Bronze Pump 3/4HP 1PH ECM Motor

    Armstrong

    $3,341.95
    106285MF-743 Armstrong S-57-1 Bronze Pump 3/4HP 1PH ECM Motor 115/1/60. Information: Armstrong S&H Pump Brochure Armstrong S&H Series ECM Motor Pump Installation Guide Armstrong S&H Series ECM Motor Pump Submittal Sheet Armstrong...
    $3,341.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,341.95
    Subtotal:
  • 116531-843 Armstrong S-69-1 Bronze Pump 1 HP 230V ECM Motor
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    116531-843 Armstrong S-69-1 Bronze Pump 1 HP 230V ECM Motor

    Armstrong

    $4,628.95
    116531-843 Armstrong S-69-1 Bronze Pump 1 HP 230V ECM Motor. ***Please note this pump has to ship LTL regular ground freigth as it's to heavy for UPS*** Information: Armstrong S&H Pump Brochure Armstrong S&H Series ECM Motor Pump...
    $4,628.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,628.95
    Subtotal:
  • 116531-842 Armstrong S-69-1 Cast Iron Pump 1 HP 230V ECM Motor
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    116531-842 Armstrong S-69-1 Cast Iron Pump 1 HP 230V ECM Motor

    Armstrong

    $2,852.95
    116531-842 Armstrong S-69-1 Cast Iron Pump 1 HP 230V ECM Motor. ***Please note this pump has to ship LTL regular ground freigth as it's to heavy for UPS*** Information: Armstrong S&H Pump Brochure Armstrong S&H Series ECM Motor Pump...
    $2,852.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,852.95
    Subtotal:
  • 116511-843 Armstrong S-55-1 Bronze Pump 1/2HP 230V ECM Motor
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    116511-843 Armstrong S-55-1 Bronze Pump 1/2HP 230V ECM Motor

    Armstrong

    $2,952.95
    116511-843 Armstrong S-55-1 Bronze Pump 1/2HP 230V ECM Motor. Information: Armstrong S&H Pump Brochure Armstrong S&H Series ECM Motor Pump Installation Guide Armstrong S&H Series ECM Motor Pump Submittal Sheet Armstrong "S" Series Pump...
    $2,952.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,952.95
    Subtotal:
  • 106284MF-743 Armstrong S-55-1 Bronze Pump 1/2HP 1PH ECM Motor
    Add to Cart

    106284MF-743 Armstrong S-55-1 Bronze Pump 1/2HP 1PH ECM Motor

    Armstrong

    $2,952.95
    106284MF-743 Armstrong S-55-1 Bronze Pump 1/2HP 1PH ECM Motor 115/1/60. Information: Armstrong S&H Pump Brochure Armstrong S&H Series ECM Motor Pump Installation Guide Armstrong S&H Series ECM Motor Pump Submittal Sheet Armstrong...
    $2,952.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,952.95
    Subtotal:
  • 106285MF-842 Armstrong S-57-1 Cast Iron Pump 3/4HP 230V ECM Motor
    Add to Cart

    106285MF-842 Armstrong S-57-1 Cast Iron Pump 3/4HP 230V ECM Motor

    Armstrong

    $2,811.95
    106285MF-842 Armstrong S-57-1 Cast Iron Pump 3/4HP 1PH ECM Motor, ECM 1 phase 230/1/60 BF. Information: Armstrong S&H Pump Brochure Armstrong S&H Series ECM Motor Pump Installation Guide Armstrong S&H Series ECM Motor Pump...
    $2,811.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,811.95
    Subtotal:
  • 106284MF-842 Armstrong S-55-1 Cast Iron Pump 1/2HP 230V ECM Motor
    Add to Cart

    106284MF-842 Armstrong S-55-1 Cast Iron Pump 1/2HP 230V ECM Motor

    Armstrong

    $2,234.95
    106284MF-842 Armstrong S-55-1 Cast Iron Pump 1/2HP 230V ECM Motor 230/1/60.  Information: Armstrong S&H Pump Brochure Armstrong S&H Series ECM Motor Pump Installation Guide Armstrong S&H Series ECM Motor Pump Submittal...
    $2,234.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,234.95
    Subtotal:
  • 106284MF-742 Armstrong S-55-1 Cast Iron Pump 1/2HP 1PH ECM Motor
    Add to Cart

    106284MF-742 Armstrong S-55-1 Cast Iron Pump 1/2HP 1PH ECM Motor

    Armstrong

    $2,234.95
    106284MF-742 Armstrong S-55-1 Cast Iron Pump 1/2HP 1PH ECM Motor 115/1/60. Information: Armstrong S&H Pump Brochure Armstrong S&H Series ECM Motor Pump Installation Guide Armstrong S&H Series ECM Motor Pump Submittal Sheet Armstrong...
    $2,234.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,234.95
    Subtotal:
  • 110116MF-307 Armstrong S-55-3 LV Pump Less Volute
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    110116MF-307 Armstrong S-55-3 LV Pump Less Volute

    Armstrong

    $1,248.95
    110116MF-307 Armstrong S-55-3 LV Pump Less Volute with 1/2 hp three phase motor 208-230/460 and 5-1/4" Impeller. Armstrong Series S&H pumps are in-line circulators that are suitable for applications such as hydronics heating and cooling,...
    $1,248.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,248.95
    Subtotal:
  • 110116MF-306 Armstrong S-55 LV Pump Less Volute
    Add to Cart

    110116MF-306 Armstrong S-55 LV Pump Less Volute

    Armstrong

    $1,248.95
    110116MF-306 Armstrong S-55 LV Pump Less Volute with 1/2 hp single phase motor and 5-1/4" Impeller. Armstrong Series S&H pumps are in-line circulators that are suitable for applications such as hydronics heating and cooling, domestic water...
    $1,248.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,248.95
    Subtotal:
  • 116536LF-137A Armstrong S-69-3 AB All Bronze Pump 1HP 3PH
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    116536LF-137AArmstro ng S-69-3 AB All Bronze Pump 1HP 3PH

    Armstrong

    $3,428.95
    116536LF-137A Armstrong S-69-3 AB All Bronze Pump 1HP/3PH/208/230/460V. ***Please note this pump has to ship LTL regular ground freigth as it's to heavy for UPS*** Information: Armstrong S&H Pump Brochure Armstrong S&H Pump Installation...
    $3,428.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,428.95
    Subtotal:
  • 116532LF-133 Armstrong S-69-1 AB All Bronze Pump
    Add to Cart

    116532LF-133 Armstrong S-69-1 AB All Bronze Pump

    Armstrong

    $3,565.95
    116532LF-133 Armstrong S-69-1 AB All Bronze Pump 1HP Single Phase. ***Please note this pump has to ship LTL regular ground freight as it's to heavy for UPS*** Information: Armstrong S&H Pump Brochure Armstrong S&H Pump Installation...
    $3,565.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,565.95
    Subtotal:
  • 106284MF-137 Armstrong S-55-3 AB All Bronze Centrifugal Pump
    Add to Cart

    106284MF-137A Armstrong S-55-3 AB Bronze Centrifugal Pump

    Armstrong

    $2,405.95
    106284MF-137 Armstrong S-55-3 AB All Bronze Centrifugal Pump with 1/2 hp. Information: Armstrong S&H Pump Brochure Armstrong S&H Pump Installation Guide Armstrong "S" Series Pump Submittal Sheet Armstrong "H" Series Pump Submittal...
    $2,405.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,405.95
    Subtotal:
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