Bob "Hot Rod" Rohr of Caleffi joins the Pumps & Systems podcast this episode to talk the basics of ECM pump technology in HVAC systems.

We talk about the importance of the AHR Expo, which will be Jan. 14-16, 2019, at the Atlanta World Congress Center. Go here to register: http://registration.experientevent.com/ShowAHR191

Rohr, a training manager, explains what ECM technology is and how long it has been around.

More things you'll learn in this podcast:

* the difference between ECM technology and VFD and inverter drives

* common applications where ECM technology is used

* why some are hesitant to adapt to ECM technology

* what magnetic separators are and why they are important

* basics of closed loop systems

* factors for efficient hydronic system design

This podcast is sponsored by Grundfos. You can learn more about Grundfos’ intelligent pump systems at www.grundfos.us

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