Johnson A421 Digital Temperature Controller itemID-18379 Gasket temperature range is -40°

Gasket temperature range is -40° to 250° F

Squeeze the bulb to remove most of the air

Estimated Alcohol Percentage: 3

Stem Diameter: 19 mm

This lid fits our 60 l (15

Johnson A421 Digital Temperature Controller itemID-18379 Gasket temperature range is -40°The Johnson digital temperature controller is used to control the temperature of a refrigerator, or similar cooling or heating device. Enter your desired temperature, called set point, and how tightly you want your temperature maintained, called differential, and let the controller do the rest. This is a high quality, ready to go temperature controller that is accurate and easy to use.