Welcome to my booth!
For sale is a Temperature Limit Switch with part number 312754.
Another visible part number for Carrier is HH19ZA950 .
This Limit Switch is manufactured by Therm-O Disk (T-O-D).
It's a safety device used in the heat kit of an air handler (for example carrier) with electric heat.
-opens on unsafe temperature rise above150 degrees Fahreheit.
-flange design with one screwhole
-probe insertion depth is 5/16 inch
-one male and one female contact that connects directly to one heat strip contact
-no manual reset
-free shipping
Thank you