Johnson Controllers Mechanical Temperature Controller A19ACA-17C Remote Bulb, SPST - Open Low, Cool OnlyThe A19 Series mechanical controls are single-stage temperature controls that incorporate environmentally friendly liquid-filled sensing elements.Features: Wide temperature ranges availableConstant differential throughout the entire rangeCompact enclosureFixed or adjustable differential availableVariety of sensing element stylesUnaffected by cross-ambient conditions Product Specifications BRANDJohnson Controls CAPILLARY LENGTH FEET20 BULB SIZE INCHES3/8 x 4 DIFF F°(C°)Manual Reset DIFFERENTIAL TEMPERATURE °F-- TEMPERATURE CONTROL RANGE °F-30 to 100 VOLTAGE240 / 120 NEMA RATING1 STAGESSingle SWITCH ACTIONSPST - Open Low TYPECool Only LISTING, RATING, CERTIFICATIONUL Listed LIMITED WARRANTY YEARS1 MANUFACTURER'S PART NUMBERA19ACA-17C