Get Tech Tips
Subscribe to free tech tips.
Donoven Refrigeration Basics Quiz July 26, 2021, 7:26 am
Related Tech Tips
Is it too cold to set the charge?
I've heard the phrase, “It's too cold to set the charge!” for as long as I've been in the trade. I've also heard some variations of, “We need to come back and set the charge,” or, “We need to come back to do XYZ [some other thing].” Granted, there are cases where you do actually […]Read more
Drains and Double traps
Double traps are no good. That's the end of this tech tip. Okay, here's some detail: Anytime your drain goes up and down more than once, you have a double trap UNLESS you place an air vent between the two traps that vents ABOVE the drain inlet. The double trap causes drainage issues because air […]Read more
Choosing the Right Vacuum Pump Oil
We all understand that vacuum pump oil is the lifeblood of our vacuum pumps. We know what the function of vacuum pump oil is and how it functions. But how do we apply that knowledge when choosing the oil best suited for our pumps? Many of us simply pick up what’s in the stock room […]Read more