Get Tech Tips
Subscribe to free tech tips.
WILLIAM WILBURN High-Efficiency Furnace Quiz February 21, 2022, 1:47 am
Related Tech Tips

The easy answer is 32v. Class dismissed. I’m only joking, of course. Finding the difference between 208 and 240v power supplies may sound quite simple, but there are some pretty sharp fundamental differences. Apart from the obvious differences in overall voltage, 208 and 240v power supplies use the electrical company’s power differently. The motors also […]
Read more
In many cases when a low-voltage or control circuit blows a fuse, it's because one of the circuits is shorted to ground or common. That may happen because of rubbed-out wires, shorted components or boards, etc. Routing wires sensibly and using proper grommets to avoid rubouts and shorts will help prevent those problems. Less commonly, […]
Read more
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” […]
Read more