The unit features a 72-inch capillary tube

Designed as a direct field replacement for legacy part numbers 120031

There is no functional or physical difference between these two models

The 240005933 is the motor and cover assembly

Belimo LRB24-MFT Actutator Els PW 17895 The unit features a 72-inchThe Belimo LRB24 MFT is a high torque non spring return actuator designed for precise control of pressure independent characterization valves and standard ball valves. Delivering 45 in lb of torque, this Multi Function Technology (MFT) actuator offers field programmable flexibility for 4 20mA proportional control (using a 500 Ohm resistor), PWM control (1500 Ohm), floating point, or standard On Off 24Vac dc signals. As the direct replacement for LR24