centrifugal pumps

High-Performance Circulator Pumps for New Builds and Upgrades

If you are looking to install new circulator pumps or replace existing ones, our inventory includes solutions for every application.

Pumps for Hydronic and Radiant Heating

These pumps are ideal for ensuring consistent and efficient heat distribution in boiler and radiant floor systems. We offer modern variable-speed and ECM motor pumps that automatically adjust to changing heating loads, helping save energy and improve comfort. Our selection includes these HVAC circulation parts in various sizes and flow rates for both single-zone and multi-zone systems. 

Pumps for Chilled Water and Cooling Loops

Our robust pumps are built to meet the demands of air-conditioning, fan-coil and process-cooling applications. They are compatible with common glycol/water mixtures necessary for low-temperature operation. A key benefit of these chilled water pumps is their ability to ensure constant temperature control through reliable and effective cooling systems that function well even under constant pressure.

Pumps for Domestic Hot Water (DHW) Recirculation

DHW recirculation pumps are designed to deliver instant hot water at the point of use in residential or commercial buildings, reducing water waste. Many models feature lead-free brass and stainless steel to enhance water safety. You can also upgrade some models with adjustable timers to further maximize energy savings. 

Save Time and Money with Circulator Pump Repair Parts

When you're doing repairs or full system replacements, you can shop for circulation parts and get them delivered fast to keep projects running. We offer high-quality parts from leading manufacturers and hard-to-find components for legacy systems.

Motors, Bearings and Cartridges

These components suffer the most from wear and tear. We have replacement motors, bearing assemblies and easily swappable wet rotor cartridges. Our selection offers you a cost-effective repair solution that restores a pump to optimal performance.

Flanges, Gaskets and Valves

Flanges, gaskets and valves are the necessary hardware for any pump installation, re-installation or leak repair. With a variety of flange sizes, replacement gaskets and isolation valves available, you will always find the parts you need for any job.

Shop HVAC Circulation Pumps and Parts

Blackhawk Supply is your partner for all your circulation needs, from full pumps to repair components. We have a secure platform for safe purchasing, and offer competitive pricing with quantity discounts, fast shipping to minimize downtime and expert support to help you find the exact part you need. 

Shop for replacement parts or order HVAC circulation pumps for your next project today. Contact us online if you need assistance.