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October 11, 2026
Why We Clean Every Drain Line: A 5-Step Callback Prevention Checklist
On a service call, techs know why clogged drain lines cause the most repeat visits — condensate backup is the fastest way to earn a callback, so it's the first thing we address, every time. In this video, we walk through the reasoning behind our approach to service calls: flushing and cleaning the drain line thoroughly, then moving through the rest of the diagnostic process before ever calling the job done.
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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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Connecting more than one wire on or under a single lug or connection point is called “double lugging,” and it is ONLY allowed in line voltage wiring under one condition, according to NEC 110.14: If the terminal, lug, or connector is specifically rated for more than one wire In the case of a conductor splice, […]
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Most techs and installers know that drains need to be pitched. I use the rule of thumb that drain lines should generally be pitched 1/4″ per foot of horizontal run. One thing that can easily be forgotten is pitching wall penetrations when drilling. It’s as simple as drilling with a slight upward angle if drilling […]
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