Emerson 1687-9 | White Rodgers Temperature Controllers

Provide positive control of refrigeration applications where remote control is desired
-Hydraulic action element
-Dustproof steel case with top and bottom knockouts
-Temperature dial graduated in F and C and can be adjusted through cover
-High electrical ratings allow operation of most equipment without use of relays or motor starters
-Model 1609-90 For use in zoning systems where all thermostats control a common compressor & a separate solenoid refrigerant valve in each zone. 16A60 manual reset freeze protection