As we discussed in an earlier podcast, a TXV maintains a specified and constant superheat at the evaporator coil outlet. It does this through a balance of forces between the bulb pressure (opening force), equalizer pressure (closing force), and spring pressure (closing force). We can actually adjust the spring pressure on some valves. But why […]

This article was written by up-and-coming young tech and new contributor Kaleb Saleeby. Thanks, Kaleb! Recently, I came across a work order description in my dispatch that made me scratch my head. Clean Salamander broiler I had to ask the omniscient Google for answers. It turns out it has nothing to do with vividly-colored, “fireproof” […]

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 […]