Product Overview

www.usa.siemens.com/hvaccomponents

Thermostats

A-15

192/194 Dual Setpoint Pneumatic Room Thermostat Kit.

easily replaces:

• Barber-Colman (Siebe)

• Johnson Controls

• Honeywell

• Robertshaw (Siebe)

Applications

Retroline Retrostat kits are available for most 2-pipe

applications in direct and reverse acting models, including:

• Single Temperature

• Day/Night

• Heat/Cool

Refer to the Powerstar products to select the appropriate

application.

Description

The Powerstar Retroline Retrostat Pneumatic Room

Thermostat converts most existing pneumatic room

thermostats to a Powerstar 192 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.

Features

• Complete kit including Retrostat cover kit with exposed

or concealed setpoint adjustment

• Setpoint dials available in Fahrenheit or Celsius scales

• Factory-calibrated for accuracy

• All installation hardware and calibration wrench

provided.

• Fits into large format wall openings, using “goof plate,”

which is included.

• Integral, ﬁ eld adjustable limit stops

• Test port for fast check of output pressure without

removing the cover

• Field replaceable thermometer, setpoint dial(s),

restrictor(s), and ﬁ lter(s)

Options

• Quick-connect air connections for ease of installation

and service

• Large, 1/2" setpoint knob for convalescent homes

192/194

Powerstar Retrostat

Pneumatic Room Thermostats