
203255AA and 206658AA
Replacement Doors For
T8131 and T8132 Thermostats
INSTALLATION INSTRUCTIONS
APPLICATION
The program compartment 203255AA and 206658AA 
Replacement Doors are used with the T8131 and T8132 
Thermostats.
INSTALLATION
Use the program compartment 203255AA Replacement 
Door on the taupe color T8131 and T8132 Thermostats.
Use the program compartment 206658AA Replacement 
Door on the Premier White® color T8131 and T8132 
Thermostats.
To installl your new battery door:
1. Open the door. Apply slight pressure toward the 
right until the left pin disengages from the pin hole. 
See Fig. 1. Lift off the door.
2. Engage the right hinge pin in the right pin hole. 
Apply slight pressure in that direction until the left 
pin slides into the left pin hole. See Fig. 2.
3. Open and close the door to check that the pins are 
in place.
TO REMOVE DOOR:
APPLY PRESSURE TO 
THE LEFT SIDE OF 
DOOR AND LIFT OFF.
AM
Set
Clock/Day
Set
Schedule
TU
LEAVE 
Time Temp
Ahead
Back
Warmer
Cooler
SYSTEM
TEMPORARY
Run
Program
Hold
Temp
TO REPLACE DOOR:
APPLY PRESSURE TO 
THE LEFT SIDE OF 
DOOR AND PUSH DOWN.
AM
Set
Clock/Day
Set
Schedule
Fan
Auto  On
TU
LEAVE 
Time Temp
Ahead
Back
Warmer
Cooler
System
Cool  Off  Heat
SYSTEM
TEMPORARY
Run
Program
Hold
Temp
Fig. 2. Installing the program compartment door.
M9938
Fan
Auto  On
System
Cool  Off  Heat
Fig. 1. Removing the program compartment door.
Copyright © 1995 Honeywell Inc. • All Rights Reserved
M9937
X-XX UL
69-0913

XXXXXXXXXXXXXXXX
Home and Building Control
Honeywell Inc. 
Honeywell Plaza 
P.O. Box 524 
Minneapolis, MN 55408-0524
69-0913
J.H. 5-95
Home and Building Control
Honeywell Limited-Honeywell Limitée 
740 Ellesmere Road 
Scarborough, Ontario 
M1P 2V9
2
Helping You Control Your World
QUALITY IS KEY