Pneumatic Room Thermostat, Day-Night, Reverse Acting, 15 Psig Day, 20 Psig Night, 2 or 3 Pipe, 55-85 Degree Dial Range, 75 Degree Factory Setpoint, Adjustable 2-10 Degree 10 Psi Throttling Range, Manual Override, 5/32" Plastic Tubing Air Connection

DAY-NITE STAT,DA,w/ManO,55/85F