If you work on hydronic chilled or hot water systems you need to know how to troubleshoot pump issues. And one of the most common issues is a pump that's not performing correctly. Considering the water pump is the heart of boiler and chiller water systems, knowing if the pump is working properly is a priority for the HVAC Technician. This video gives a simple stepbystep guide to checking a water pumps. In less than 6 minutes you'll be a master at pump troubleshooting.