Johnson Controls A28AA-36C A28 2-Stage Temp Control w/Adjustable Interstage Diff [New]

Johnson Controls A28AA-36C A28 2-Stage Temp Control w/Adjustable Interstage Differential (40??F to 90??F) - The A28 Series are two stage temperature controls that incorporate a liquid filled sensing element.. Johnson Controls. Johnson Controls. A28AA-36C.