making it suitable for demanding rooftop or mechanical room environments

There is no functional or physical difference between these two models

and tube heaters under 400K BTU

Designed as a direct field replacement for legacy part numbers 120031

Hardware Included: Includes all necessary brackets

Belimo LRB24-MFT Actutator Els PW 17895 making it suitable for demandingThe 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