The Siemens 188-0033 Unit MTD STAT-HN RPLMT
Unit-mounted, Retroline Pneumatic Thermostat for heating and cooling applications. It is direct/reverse acting and has a single setpoint, adjustable sensitivity, exposed adjustment knob with 60 to 85 degree Fahrenheit setpoint range, 3/8″ x 3-3/4″ bulb, 96″ capillary, and 40 SCIM restrictor. Includes Universal Mounting Bracket. Replaces Honeywell LP916BXXXX