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October 18, 2026
Double-Trapped Drain and a Float Switch Mistake: Think Physics First
A double-trapped condensate line and a safety shutoff that only covered one system: that’s how a small install detail turned into a costly callback.
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When I started in the trade in 1999, there were still many oilable blower motors in service. As part of the maintenance, we would remove the housing and oil the motor. We would also vacuum the motor and wipe it down. Before you pull the blower, shut off the power at the breaker or disconnect, […]
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I’ve always opposed the practice of grabbing a hub puller as the first method of removing a blower. The video below by Brad Hicks with HVAC in SC on YouTube demonstrates the exact method I use to safely remove a blower wheel without damaging anything. Thanks, Brad! The Steps Kill the power. Pull the blower […]
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Put three good tradespeople in front of the same problem, and you may see three different kinds of enthusiasm. One wants to understand why the system behaves that way. Another wants to get the failed part out and make the repair. The third is already thinking about the layout, access, and details that will make […]
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