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(773) 486-1000

  • Hydronics
        • All Products
        • Pumps, Trim & Accessories
        • Boilers & Water Heaters
        • KN-Series Condensing Cast Iron Boilers
        • Pipe Sealing Systems
        • Air & Dirt Separators
        • Balancing Valves
        • Expansion Joints & Pump Connectors
        • Fan Coils & Heat Pumps
        • Indoor Air Quality Monitors
        • Filters
        • HVAC Drives
        • Noise Control
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        • Replacement Water & Air Source Products
        • Special Inventory
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        • Y Strainers
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  • Brands
        • All Brands
        • Armstrong
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          • Crossover Pumps
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        • Garlock LINK-SEAL®
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        • RBI Boilers & Water Heaters
        • Advanced Thermal Hydronics
        • Airthings
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        • Flex-Weld / Keflex
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        • Spirotherm
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        • Line Card

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Showing 1–16 of 167 results

  • 110116MF-203 Armstrong S-45 LV Pump Less Volute

    110116MF-203 Armstrong S-45 LV Pump Less Volute

    $2,099.99
    Add to cart
  • 425520-001 CARBON BUSHING 1.625"

    425520-001 CARBON BUSHING 1.625″

    $355.00
    Add to cart
  • Placeholder

    Armstrong 1-1/2″ Cast Iron Flange Kit

    $41.00
    Add to cart
  • Armstrong 4380 2x2x6 (143-184JM Frame) Pump

    Armstrong 4380 2x2x6 (143-184JM Frame) Pump

    $3,766.00
    Add to cart
  • Armstrong 819000-015 Seal Kit

    Armstrong 819000-015 Seal Kit

    $312.40
    Read more
  • Armstrong 826768-000 PKGD ASSY-BRG FRAME S GRS STL

    Armstrong 826768-000 PKGD ASSY-BRG FRAME S GRS STL

    $2,468.00
    Add to cart
  • Armstrong DEPC Control D Card

    Armstrong DEPC Control D Card

    $2,703.00
    Add to cart
  • Armstrong DEPC D Card with Firmware

    Armstrong DEPC D Card with Firmware

    $2,124.00
    Add to cart
  • 15 HP and over

    Armstrong Design Envelope 4200H End Suction Pumps

    $25,594.80
    Add to cart
  • Armstrong Design Envelope Compass R Circulators

    Armstrong Design Envelope Compass R Circulators

    $581.35 – $3,575.55Price range: $581.35 through $3,575.55
    Select options This product has multiple variants. The options may be chosen on the product page
  • Armstrong Fluid Technology 110223-307 Water Circulating Pump, 115 Volt, 60HZ, Astro 250CI

    Armstrong Fluid Technology 110223-307 Water Circulating Pump, 115 Volt, 60HZ, Astro 250CI

    $455.00
    Read more
  • Armstrong Fluid Technology 8975000-962 SEAL 1.125 G30 C-SSC W/O CVR

    Armstrong Fluid Technology 8975000-962 SEAL 1.125 G30 C-SSC W/O CVR

    $3,556.00
    Add to cart
  • ARMSTRONG GASKET VOLUTE

    ARMSTRONG GASKET VOLUTE

    $16.00
    Add to cart
  • Armstrong Impeller 4.25" O.D.

    Armstrong Impeller 4.25″ O.D.

    $542.25
    Read more
  • ARMSTRONG IMPELLER 427103-041

    ARMSTRONG IMPELLER 427103-041

    $713.00
    Add to cart
  • Armstrong IVS DEPC RETROFIT KIT

    Armstrong IVS DEPC RETROFIT KIT

    $2,231.66
    Add to cart
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Frequently Asked Questions

Do you carry products from specific manufacturers?

Yes, Maddock sources high-quality components from trusted manufacturers like Armstrong, Danfoss, and DHT. Each product page lists the brand and technical specifications.

Can I get custom configurations or materials?

Absolutely. We specialize in custom solutions for hydronic and process systems. Reach out with your requirements and we’ll help design the best fit.

How can I find technical data or product manuals?

Product specification sheets and installation guides are available on each product page. If you need additional technical documentation, contact us and we’ll send it directly.

How do I reach customer service?

You can contact our team by phone at (773) 486-1000 or email us at eric@maddockindustries.com. Our business hours are Monday–Friday, 8 AM–5 PM CST.

Can Maddock help me choose the right product for my application?

Definitely. Our experienced team can guide you through product selection based on your system requirements, space constraints, and performance goals.

Maddock Industries Logo

Maddock Industries, Inc.

601A Country Club Drive
Bensenville, IL 60106

(773) 486-1000 phone

eric@maddockindustries.com

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Maddock IndustriesLogo Header Menu
  • Hydronics
    • All Products
    • Pumps, Trim & Accessories
    • Boilers & Water Heaters
    • KN-Series Condensing Cast Iron Boilers
    • Y Strainers
    • Pipe Sealing Systems
    • Air & Dirt Separators
    • Expansion Joints & Pump Connectors
    • Fan Coils & Heat Pumps
    • Indoor Air Quality Monitors
    • Noise Control
    • Pressure Independent Control Valves
    • Replacement Water & Air Source Products
    • Special Inventory
    • HVAC Drives
    • Filters
    • Balancing Valves
    • Venting & Chimney Liner Systems
  • Brands
    • All Brands
    • Armstrong
      • Pumps
      • Crossover Pumps
      • Fire Pump Systems
      • Pump Trim
      • Accessories
      • Boosters
      • Circulators
      • Pump Manager
      • SMART Startup
      • Replacement Parts
    • Garlock LINK-SEAL®
      • LINK-SEAL®
      • CS Sleeves
      • WS Sleeves
    • RBI Boilers & Water Heaters
    • Advanced Thermal Hydronics
    • Airthings
    • Cold Point
    • Danfoss
    • Diversified Heat Transfer
    • NuTech
    • Spirotherm
    • Flex-Weld / Keflex
    • PEP Filters
    • Sussman Electric Boilers
    • Titan Flow Control
    • Vibro-Acoustics
    • Whalen Company
    • Yaskawa
    • Z-Flex®
  • Projects
    • Armstrong Pumps
    • Danfoss
    • PEP Filters
    • RBI Water Heaters
    • Vibration Eliminator
  • Blog
  • Resources
    • Case Studies
    • FAQ
    • Online Education
    • Webinars
  • About
    • Meet the Team
    • Privacy Policy
    • Return Policy
  • Contact Us
  • Shop Now
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