There is no functional or physical difference between these two models

OEM Structural Integrity: Features advanced wire tie anchors and heavy-duty casing to minimize cabinet vibration and housing separation

rating is required to compensate for lower air density

the 05-100000-250 serves as a critical interface for both ignition and flame rectification

Belimo LRB24-MFT Actutator Els PW 17895 There is no functional orThe 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