Breckwell Big E new combustion blower, hole I don't recognize

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movemaine

Minister of Fire
Nov 28, 2011
514
Central Maine
movemaine.com
Ordered a new combustion blower, and note the 1/4" hole (next to the caulk). This hole is not on my old motor.
Link Removed

Do I caulk it over?
 
Nevermind. I took the coverplate off assuming the temp sensor for in there, but the coverplate stays in place.