STEGO STO 011 Normally Closed Thermostat 0 to +60 DegC
STEGO STO 011 Normally Closed Thermostat +32 to +140 DegF
STEGO STS 011 Normally Open Thermostat 0 to +60 DegC
STEGO STS 011 Normally Open Thermostat +32 to +140 DegF