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Smart Part Numbers Make it Easy
to Select the Right Product
Example: 1F75C-11PR, 1H/1C Programmable
Smart Part Numbers make it easy to select the right thermostat and
tell what you need to know about any Model Number in the Series.
1F
#
Series
7 Low End
8 Mid Tier
9 High End
Position in Family
9 Best
8
7
6
5 Mid
4
3
2
1
0 Basic
Application
C Conventional
(Gas/Oil/Elec Furnace and/or AC)
H Heat Pump Only
U Universal
-
#
X
System Stages
10 1H / 0C (Heat Only)
11 1H / 1C
21 2H / 1C
22 2H / 1C
32 3H / 2C
42 4H / 2C
99 Modulating / Variable
Programming
NP Non-Programmable
PR Programmable
WF Wifi
White-Rodgers 70 Series Thermostat Line Extension
-
# #
XX
# #
Customer Number
The numbers after the
dash call out maximum
number of stages.
The last group of letters
call out programming.
The letter before the dash
calls out the application.
6
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