Siemens TH-192 Retrostat Kit w/ Direct Acting Celsius Scale

The Powerstar Retroline Retrostat Pneumatic Room Thermostat converts most existing pneumatic room thermostats to a Powerstar 192/194 direct or reverse acting, 2-pipe, single or dual setpoint unit. Day/Night or Heat/Cool Retrostat is factory calibrated to match the appropriate changeover pressure of the competitive thermostat. The complete kit includes a Retrostat cover kit with exposed or concealed set point adjustment, set point dial in Fahrenheit scale, factory-calibration for accuracy, all installation hardware and calibration wrench. The kit fits into large format wall openings, using "goof plate" which is included, as are integral, field adjustable limit stops, a test port for fast check of output pressure without removing the cover, field replaceable thermometer, set point dials, restrictors, and filters. Standard case cover color is Desert Beige. Features: Complete kit including Retrostat cover kit with exposed or concealed setpoint adjustment li>Setpoint dials available in Fahrenheit or Celsius sca...