Coffee with Caleffi, Applying Zone Relays in Hydronic Systems

Coffee with Caleffi™: Glycol - That Colorful Hydronic Fluid - and Its DO'S and DON'TS


Glycol - That Colorful Hydronic Fluid - and Its DO'S and DON'TS
Thursday, June 25
1pm EDT
12 noon CDT
11am MDT
10am PDT
9am AKDT



Are you underwater trying to understand the rules of engagement with glycol?  Rest at ease, friend!  In this webinar, Bob “Hot Rod” Rohr, Caleffi training and education manager will take an in-depth look at glycol and its common uses in hydronic systems. You'll learn:

- Why is glycol so commonly used?
- What exactly is in solar and hydronic glycol?  Are there different glycol choices for freeze protection?
- How much is enough, percent-wise?
- Pre-mix or blend at the site?
- How do I test glycol?
- Why so many different colors?
- Common glycol mistakes and suggestions for avoiding them. 

For over 30 years, “Hot Rod” has installed plumbing, radiant heat and renewable energy jobs. As a regular contributor for Mechanical Business, Mechanical HubPHC News and Plumbing Engineer, Bob puts his rubber-to-the-road experiences to pen. A familiar speaker at our Coffee with Caleffi webinars, Bob is sure to delight with his expertise and quick wit.

Our educational series, Coffee with Caleffi™, is an online product training webinar and is intended for contractors, designers and wholesalers.   The complimentary one-hour training sessions are conducted by Caleffi personnel and guest speakers with most sessions hosted by Bob "Hot Rod" Rohr, our training and education manager.

All Coffee with Caleffi webinars are free, but registration is required.  After registering, you will be immediately forwarded a confirming e-mail containing log-in details for attending the webinar. When training time comes, grab a coffee, tune in and learn more about Caleffi’s innovative products and how they can add value to your work.

If you have questions on content, please direct them to and be sure to follow us @CaleffiUS.

Missed a webinar?  No problem, our webinar archive is available 24/7 for your convenience.