SAS40A THERM-O-DISC NEW $4.93 in stock today. THERM-O-DISC SAS40A BI-METAL SNAP DISC THERMOSTAT 36T22 11818 SAS 40A F40-15C Normally open/ They close on temperature rise Auto reset +1-5 degrees Celcius/ 9 degrees F Close Temp 40 degrees C/104degrees F Open Temp 25 degrees C/ 77 degrees F BOX 654