Expander is a 8 letter English word. It's valid Scrabble word worth 18 points. It's valid Words with friends word worth 20 points.
You can make 205 anagrams from letters in expander (adeenprx).
First recorded in 1860-65; expand + -er1
Finally remove the expander, and use the calking tool to bead the end.
Then force the expander into the leaky flue, bringing the shoulder well up against the end of the flue.
Then turn the expander a quarter round, and drive in the pin again.
Loosen up and continue till you have turned the expander entirely around.
The air does not pass the expander until after it has gone through the boiler already mentioned.