gbell
(Greg Bell, Sr CMI)
2
It looks like an electronic igniter. But that is just an educated guess.
Spark plugs for the Lennox pulse combustion gas furnace
bgromicko
(Ben J. Gromicko)
5
That’s correct. Pulse. It’ll be in the upcoming HVAC training course.
jgattenby
(Jeffrey K. Gattenby)
7
TXV - Thermal expansion valve
cbottger
(Charley L. Bottger)
8
TXV with external equalizer:D
bgromicko
(Ben J. Gromicko)
9
Expansion valve. Yes.
It actually produces a spray.