this control is designed to work with natural gas

the Robertshaw 10-208 is specifically sized for Natural Gas at

it is the standard replacement crank arm for modern Mod motors and is the primary drop-in for the 4074ELY

Double-Throw) contacts allow for use in both heating and cooling circuits

and responsive stainless steel springs

Schneider Electric (Barber Colman) MA40-7173 Actuator Freon this control is designed toThe Schneider Electric (Barber Colman) MA40 7173 is a heavy duty DuraDrive direct coupled actuator designed for two position damper and valve control in demanding HVACR environments. This spring return actuator provides a robust 150 lb in torque, ensuring reliable fail safe operation and positive close off in high static applications. Operating on 24V AC DC, it features an oil immersed gear train for continuous lubrication and a rugged NEMA 4 die cast