Johnson Controls T-2100-205 Thermometer 30067439-890 though using a torque wrench

though using a torque wrench is recommended to meet the 50 in

with a mechanical return time of approximately 30 seconds

provided the pressure does not exceed 250 PSI

this controller utilizes a slow make-and-break mechanism to maintain a tight temperature differential of approximately 2°F

0 Cv rating and utilizes a specialized disc to provide an equal percentage flow characteristic

Johnson Controls T-2100-205 Thermometer 30067439-890 though using a torque wrenchJohnson Controls T 2100 205 Dial Thermometer, 40 to 240 Degree Temperature Scale, "B" Bulb Element, Flush Panel Mount, 15' Capillary Length, Stainless Steel Case, Vapor Filled Copper Element, "B" Style Elements Require a Minimum Insertion Length of 9 1 2"