Heat pumps use more than one expansion valve due to the fact that the refrigerant can flow in both directions. In this video, we will show you how one of these popular valves is replaced on the outdoor unit as opposed to the typical replacement on an indoor coil.
In this video, we will show you the procedures for installing a low-water cutoff for a boiler. When you are troubleshooting boilers in the field, especially old ones, this is a very common component that will need to be replaced. These will also vary greatly from brand to brand, along with differ...
This video will show you the in's and out's of adding and removing refrigerant to a cooling system in the field. We will discuss heat pump charging in a separate video.
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In this video, you will learn how to accurately test and replace a transformer on an operating HVAC system.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
