Honeywell Trol-A-Temp T8090T Owner's Manual page 6

15 WALLPLATE
Provides mounting base and wiring con-
nections for control of zones other than
zone 1 in heating or heating-cooling
systems.
16 SUBBASE
Provides mounting base, wiring connec-
tions and manual switching for control of
zone 1 in heating or heating-cooling
systems.
15
16
6
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