HVAC equipment can have many different types of relays to turn different components on and off. In this video, we will show you the different types of relays found on equipment and how they operate.
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This video will demonstrate the proper way to diagnose and/or replace a pressure switch on a gas-burning appliance in the field.
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Here, we will show you how to test pressure relief valves and temperature/pressure gauges on boiler systems in the field, along with how to replace them.
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Here, we will show you how to properly clean ribbon burners on a non-condensing boiler system in the field.
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