The Southbend 1174709 Thermostat Kit- BJWA provide the control on the temperature. Southbend oven is serviced by BJWA thermostat that ranges from OFF to 500°F, a cap tube of 36" length, and a bulb of 3/16” by 7-1/2”. The serving includes a housing rotation of 180˚, an outlet position ‘B’, and an outlet size of 1/4”. If you want easy knob installation then go for AP# 22-1381. https://partsfe.com/thermostat-kitbjwa-for-southbend-part-1174709