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The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson Controls office.
Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2015 Johnson Controls, Inc. www.johnsoncontrols.com
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T22, T25, T26, T28, T46, and T91 Accessories
Description
Replacement Knob and Cover Kits
Replacement Knob Kit numbers
KNB17A-600R, KNB20A-600R, and
KNB26A-600R are designed as direct
replacements for original equipment knobs.
Faceplates
Faceplates are available with metal or plastic
covers.
Thermostat Trim Plates
Trim plate PLT231-1R is for mounting two
wall thermostats such as T22, T25, T26, T58,
T91 or one thermostat and one humidistat on
a three-gang electrical box. The PLT61A-600
is a similar three-gang plate but with one
cutout and a 3/8 in. hole for mounting
accessory switches.
These plates are finished in tawny silver to
complement the design of the thermostat and
humidistat.
Selection Charts
Replacement Knob and Cover Kits
Product Code Number Description Replacement Knob For
KNB17A-600R Includes two plastic knobs T91, T22, T25, and T26 with metal knob and metal cover
KNB20A-600R Includes one plastic knob T26 and W43 with plastic knob and metal cover
KNB26A-600R Includes one plastic knob with trim disc T26, T46, and W43 with plastic cover
Faceplates
Product Code
Number
Mounting
Position
Type of
Adjustment
Cutout for
Thermometer
Use With Temperature
Scale
Faceplates for T22, T25, T26, T80, T91, and W43 with Metal Cover
PLT213-6R Vertical Concealed No T26, T91BA, W43 with metal cover None
Faceplates for T26, W43 AND W45 with Plastic Cover
PLT333-1R Vertical Knob Yes T26, T46 Fahrenheit
PLT333-2R Horizontal Knob Yes T26 Fahrenheit
PLT333-3R Vertical Concealed Yes T26, T46 Fahrenheit
PLT333-4R Horizontal Concealed Yes T26 Fahrenheit
PLT333-5R Vertical Knob Yes T26, T46 Celsius
PLT333-12R Vertical Concealed No T26, T46, and W43 None
Trim Plates
Product Code Number Description Replacement Trim Plate For
PLT231-1R Tawny silver trim plate T22, T25, T26, T28, T58, T91, W42, W43
PLT61A-600 Faceplate
Temperature Control Sensors and Accessories
Code No. LIT-1922285