High-Efficiency Heat Transfer: Optimized coil density provides consistent thermal output and prevents cold spots in the ductwork

7 Cv flow factor to maintain system efficiency in 1/2" piping configurations

Durable Construction: Features a liquid-filled 6' capillary length and copper bulb for rapid and precise temperature sensing

They share the same 130-170F thermal specifications and mounting footprint

Johnson Controls MS4PMUHVT-11 Temperature Control Refrigerant High-Efficiency Heat Transfer: Optimized coilJohnson Controls MS4PMUHVT 11 Multi Stage Electronic Temperature Control with Relay Pack and One Temperature Sensor, 120 240 Vac, 0 to 95 % RH Noncondensing Humidity Range MS4PMUHVT 11 is identical to MS4PMUHVT 11C This item is not qualify for free shipping.