On 07/29/2018 11:57 AM, Kevin Oconnor wrote:
has an internal glass pass-thru tube with an S shape metal insert that congeals the solder and a cotton plug that trap vapors. If removed and cleared periodically, it works flawlessly.
That's another data point saying a cold trap is good for long low maintenance.
"S shape metal insert that congeals the solder" ==> cold-trap
