Johnson Controls A19EDB-1C

DUCT TEMP CONTROL; 100/350F; MANUAL RESET; SPST; NEMA 1; OPEN-HIGH; MTG BRKT FLANGE; 1HP

SPST Duct Temperature Control, 100 - 350F w/ Manual Reset; Open-HI (8.5” Probe)

The Series A19 is a small, compact control with adjustable or fixed differential. Controls supplied with adjustable differential have an internal scale plate indicating increments of differential. The controls are supplied with adjusting lever at minimum differential stamped on the control. To adjust move the lever to the differential required. Models are available with or without external range adjustment and visible scale. External range adjustment may be by screwdriver slot or range adjusting knob.