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Learn how to troubleshoot a couple refrigeration issues on a gas rooftop unit. In this short course you'll diagnose a few low pressure and high pressure refrigeration issues using your tools and a pressure temperature chart. You'll learn the signs of...

This is an assessment simulation, where you'll use the steps and skills you've learned and practiced on the Interplay platform to determine the fault and fix each scenario. Use the bottom tool bar to navigate around the environment, inspect...

This course introduces you to the components, setup, and function of gas water heaters. You'll start by learning about gas piping, go on to discuss venting and wrap-up by describing the common controls associated with this type of water heater. The...

In this simulation based course, you'll discover how to troubleshoot and repair a gas water heater. This course looks at three common symptoms of a faulty unit: no hot water, insufficient hot water, and water that's too hot. With each symptom...

This is an assessment simulation, where you'll use the steps and skills you've learned and practiced on the Interplay platform to determine the fault and fix each scenario. Use the bottom tool bar to navigate around the environment, inspect...

Proper grounding and bonding in electrical systems helps to ensure the safety of people and property. This course introduces the learner to the fundamentals of grounding and bonding, including the concepts and components of grounding and bonding. It...

This course on Hand and Power Tool Safety is designed to give learners a better understanding of hand and power tool safety protocols to prepare them for working with these tools in the field. Contents include: tool types, energy sources, maintenance...

What keeps pipes secured in place against walls and ceilings, or even hanging down from the beams? The answer is hangers and supports! In this course we’re going to be learning about the pipe supports behind every plumbing system. This course...

This course is designed to help reduce accidents related to hazardous materials. This course will help participants better understand hazards in the workplace, how to identify hazardous materials, and how safety measures are communicated...

Heat pumps are more popular than ever and this course will familiarize you with the most common service problems including bad reversing valves, emergency heat relays and motor diagnostics.