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Matt HVAC/R Evacuation Quiz June 3, 2022, 2:25 am
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TXV Power Element of Surprise
The TXV powerhead or power element is the part of the valve that sits on top of the valve to which the sensing bulb is attached. The powerhead provides the opening force for the valve by translating force from the bulb to a diaphragm in the element that forces the valve open. The sensing bulb […]Read more
What Should My Superheat Be?
The most common—and often most frustrating—questions that trainers and senior techs get asked sound something like this: “What should my ______ be?” or “My _____ is at ______. Does that sound right?” Usually, when the conversation is over, both the senior and junior techs walk away feeling frustrated because the junior tech just wanted […]Read more
Why You Need a Torque Wrench (or Two…)
I’ve got a confession to make. I'm “that guy.” Call it OCD, call it being anal-retentive, but I'm always making an effort to be as technically correct as possible. One aspect of that effort has been the use of torque indicating or torque limiting tools when tightening fasteners. It started after I put new valve […]Read more