Browse reliable options in ECM circulator pumps at F.W. Webb. ECM (Electronically Commutated Motor) circulators come with a permanent magnet motion design, use less energy and electricity than a traditional pump, and automatically adjust speeds and flow rates. This type of pump moves water throughout a home's hydronic system for heating and cooling, providing optimal cold and hot temperatures right when you need them. Made in heavy-duty cast iron and stainless steel, the recirculating pumps in our collection can withstand normal daily use in your residence or commercial facility. Use the convenient filters on our website to narrow the search for high-efficiency circulator pumps by end connection, voltage, horsepower, flow rate, and speed. We offer top-quality ECM circulator pumps from trusted makers, including Grundfos, Taco, and Bell & Gossett, so you can find the right model for your home or business.