This presentation will compare primary/secondary, variable primary, and variable primary/variable secondary pumping strategies by outlining the key advantages and disadvantages of each approach. It will also explain the function of hydraulic separators, why they are used in hydronic systems, and provide guidance on how to correctly size them for reliable, efficient operation.

Jacek Grob, Technical Sales Manager, LAARS Heating Systems Company

Jacek is an experienced Regional Sales Manager with a 27-year background in the mechanical and industrial engineering industry. He is skilled in system application design and sales for steam, hydronics, water heating, heat exchangers, burners, and controls. Throughout his career, he has consistently achieved sales goals while providing high-quality training and support to manufacturer representatives, distributors, contractors, and end users.

Originally from Poland, Jacek began his career in the boiler industry as a service technician. Over the years, he has worked extensively in sales and market development for a wide range of manufacturers and representatives of industrial steam and hot water boilers and industrial burners, including Aerco, Certuss, Hamilton Engineering, Raypak, Aldrich, Bryan Boiler, Precision, Camus, RBI, Hurst, DeDietrich, Maxi-Therm, Miura, Webster, Gordon Piatt, Riello, and Weishaupt.

Jacek currently resides in Hoffman Estates, IL with his wife, Giselle. He has two adult sons and enjoys playing pickleball and golf in his free time.