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Mechanical Systems Online Training

Each session qualifies you for one PDH credit. YOU MUST ATTEND THE LIVE WEBINAR SESSION (NOT THE RECORDED SESSION) IN ORDER TO RECEIVE YOUR PDH CERTIFICATE. The link to the PDH certificate, along with a link to the recorded webinar session, will be emailed to you approximately 24 hours after the end of each webinar session.

To view past recorded sessions, click here

Session Dates and Topics:

Select the time you would like to attend the sessions:

After registering, you will receive a confirmation email containing information about joining the webinars.

Wed, Sept. 30, 2020

Manual Pressure Drop / HSS Pressure Drop

Topics include:

  • Water velocity
  • Water velocity pressure
  • Pipe pressure loss
  • Fitting pressure loss
  • Valve pressure loss
  • Valve Cv

Wed, Oct. 7, 2020

Fundamentals of Centrifugal Pumps

Topics include:

  • Centrifugal pump function
  • Closed loop versus open loop
  • Pump components
  • Centerline or tangential discharge
  • Base mounted pumps – Proper alignment – Grouting
  • Horizontal and vertical in-line pumps
  • Split case and vertical line shaft turbine pumps
  • Affinity laws

Wed, Oct. 14, 2020

Centrifugal Pump Selections and NPSH

Topics include:

  • How to select a centrifugal pump
  • What is meant by NOL
  • Flat curve versus steep curve

Wed, Oct. 21, 2020

Proper Expansion Tank Sizing

Topics include:

  • What is an expansion tank
  • What are the different types
  • How to properly size an expansion tank

Wed, Oct. 28, 2020

Hydronic Piping Design / HSS Software

Topics include:

  • How to calculate GPM
  • Proper HVAC hydronic pipe sizing
  • How to use a computer program for hydronic system design

Wed, Nov. 4, 2020

Self-Sensing Pump Theory and Applications

Topics include:

  • Self-Sensing pump mapping
  • Self-Sensing pump control curve
  • Self-Sensing pump control head


Richard Medairos

Professional Engineer, Taco Comfort Solutions

Mr. Medairos is a Senior Systems Engineer and Director of Commercial Training at Taco Comfort Solutions. He has over forty years of experience with demonstrated expertise in engineering, project management and planning. Throughout his career, he has worked on projects with major clients such as NASA’s Kennedy Space Center, Disney World, Universal Studios Florida, Boston University, Rhode Island School of Design, First Data Corporation, and Taco’s Innovation & Development Center.

Brett Zerba

Applications Engineer, Taco Comfort Solutions

Mr. Zerba is an Application Engineer at Taco Comfort Solutions with over twenty years of experience at the company. He graduated with his Bachelor of Science in Mechanical Engineering from the University of New Hampshire in 1981, and in 2003 he earned his Master of Business Administration from Johnson & Wales. Mr. Zerba has demonstrated his skill and expertise in the field of hydronic systems as an ASHRAE and Hydraulic Institute member.

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