Checking incoming gas pressure along with checking the manifold gas pressure on a gas-burning appliance is a task all HVAC technicians need to know. We will be discussing this in detail in this video.
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We will show you a step-by-step procedure of properly troubleshooting and replacing a PSC blower motor in a standard gas furnace. Troubleshooting ECM motors are in a separate video.
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In this video, we will be discussing the different troubleshooting methods for diagnosing problems with relays, sequencers, and solenoid valves.
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Here, we will discuss the different contactor types you will run across in the field, along with how to test and replace these on air conditioners and heat pumps.
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