Johnson Controls A419 Digital Temperature Controller - Pre-Wired 120V Brand_KegLand or engage both elements to

or engage both elements to quickly go from steeping temp to boiling

Comes with 2 barb fittings - 1/2" & 3/4"

The picture displays the Extension setup w/ the other necessary components

1/2" ports

Johnson Controls A419 Digital Temperature Controller - Pre-Wired 120V Brand_KegLand or engage both elements toThe Johnson A419 Digital Temperature Controller is the industry standard for precision thermal management in home and commercial brewing. This unit comes pre wired for "plug and play" operation, allowing you to easily convert a standard refrigerator or freezer into a precise fermentation chamber or kegerator. Featuring a wide setpoint range and an adjustable differential, it provides superior control over your cooling and heating equipment, ensuring