> Robertshaw 9550 Non-Programmable 1 Heat/1 Cool Thermostat

Robertshaw 9550 Non-Programmable 1 Heat/1 Cool Thermostat

Robertshaw 9550 Non-Programmable 1 Heat/1 Cool Thermostat

About This Thermostat

MFG: Robertshaw
MFG#: 9550
Our#: 101100
Programmable: No
Stages: 1H & 1C
System Compatibility: Single Stage
Power Options: 24 VAC Hardwire
Heat/Cool Changeover: Automatic or Manual
Programmable Fan: No
Temperature Limits: No
Keypad Lockout: No
Backlight: Yes
Vacation Hold: No


The 9550 Series thermostats come with auto changeover. This feature automatically switches between heating and cooling to maintain optimal comfort. Coupled with adjustable differentials, the series will automatically maintain a comfortable environment year round.

To enhance readability, the 9550 Series is equipped with a large back lit display. In addition, our illuminated LED system indicators clearly identify the heating or cooling cycle. Energy saving features such as residual heat/cool and temperature limiting set points are also included.

Automatically adjusts between heating and cooling cycles to maintain optimal comfort.

Huge Back Lit Display
Allows for easy viewing in dark hallways or at night.

Automatic Compressor Short Cycle Protection
A system safeguard. Reduces wear and tear of HVAC equipment.

Lighted System Status Indicator
Enables you to check system status at a glance.

Worry-Free Memory Storage
Even during power outages, the thermostat maintains setpoint and programmed parameters.

Adjustable 1st and 2nd Stage Temperature Differential
Maintains optimal customer comfort.

Toll-Free Assistance
Toll-Free Technical Service number printed right on the thermostat provides immediate assistance.

Zone System Compatible
In zoning applications where temperature is precisely controlled, thermostat acts as a sensor within the system.

Quick Wire Terminal Block
Fast and easy installation. Uses sturdy wire clamps - no wrap-around of screws.


Temperature control range: 45° to 90°F (7° to 32°C)
Voltage: 24 Volt AC (18-30 VAC), 50 or 60 Hz.
Current: 1 amp max. load per terminal
Dimensions: 5.5" W x 3.75" H x 1.25" D
Terminals: C, R, W, Y, G, O, B