194-2053 Siemens Thermostat

This Powerstar Retroline Day/Night Retrostat Pneumatic Room Thermostat Chassis is a 2-pipe, Dual Set Point, Reverse Acting, Reverse Acting Day 15 psi, Reverse Acting Night 20 psi with Fahrenheit scale. Replaces Johnson Controls T-4506-209, 217.; The Siemens 194-2053 P’STAR STAT,D/N,RA/RA,JC RPLMT