Hvac Johnson Controls | Temperature Control (-30 To 100F)

Johnson Controls A19 Series Temperature Controls Are Designed To Cover Abroad Range Of Uses For Heating And General Purposerequirements. Controlshave Spst Contacts Which Open On Temperatureincrease Or They May Be Supplied In Single-Pole,Double-Throw Contact Action.Various Control Ranges Are Available To Cover Workingtemperatures From -30 To 550° F (-34 To 288° C).Closed Tank Fittings And Bulb Wells Are Available Forimmersion Applications.These Controls Are Designed For Open Low And Openhigh Applications. Where Critical Or High Valueproducts Are To Be Maintained Within A Specifictemperature Differential, A Single Control Should Notbe Applied To Function As Both An Open Low And Openhigh Control. In These Applications, A Separate Backupcontrol With Alarm Contacts Should Be Wired Toindicate When The Back-Up Control Operates.