The A72 Series temperature controls incorporate a vapor charged sensing element and heavy duty contacts. Product Specifications BRANDJohnson Controls CAPILLARY LENGTH FEET6 BULB SIZE INCHES11/16 x 6-3/4 MAXIMUM BULB TEMPERATURE °F (°C)130 (54) DIFFERENTIAL TEMPERATURE °F4 to 40 TEMPERATURE CONTROL RANGE °F-10 to 65 RANGE ADJUSTERScrewdriver Slot SWITCH ACTIONDPST - Close High - Open Low LIMITED WARRANTY YEARS1