Honeywell T874 - Page 57

T874 MULTISTAGE THERMOSTATS AND Q674 SUBBASES
57 60-2485—8
E1081 44 Trane logo; part no. BAY28X186; °F/°C scaleplate. T874E1016 Replacement has °F
scaleplate.
E1099 44 Obsolete
. Lennox logo; part no. 13F1001; °C scaleplate. T874E1016 Replacement has °F
scaleplate.
E1107 44 Honeywell logo; °C scaleplate. T874E1016 Replacement has °F
scaleplate.
E1123 44 Obsolete. Amana logo; part no. D68535-4. T874E1016
E1149 44 Obsolete
. York logo; part no. 2TH04701724A. T874E1016
E1156 44 Obsolete
. Borg Warner multi-logo; part no.
6TH04701724A.
T874E1016
E1164 44 Obsolete
. E. A. Juffali & Bros. logo. T874E1016
E1206 44 Obsolete. Trane logo. T874E1016
E1230 44 Obsolete
. Climar logo. T874E1016
T874F 2-stage heat, 0-stage cool.
F1007 44 Honeywell logo. T874F1015
F1015 44 Honeywell logo; TRADELINE model; includes Allen
wrench and screws to lock cover; field-adjustable
locking levers.
T874F1015
F1023 44 Obsolete
. Lennox logo; part no. 13F1101. T874F1015
F1031 44 Obsolete
. Honeywell logo; °C scaleplate; used with
40003440-001 wallplate; used in Y594F1022.
T874F1015 Replacement has °F
scaleplate.
F1049 44 Obsolete
. Lennox logo; °C scaleplate. T874F1015 Replacement has °F
scaleplate.
F1056 55,
66
Obsolete
. Honeywell logo; stages 1 and 2 heat
electrically isolated; used with Q674D1008.
None
F1072 44 Obsolete
. Wesco logo; heat anticipator factory set at
0.8A.
T874F1015
F1098 189 Obsolete
. Lennox logo; used with Q674D1008 to control
an M839.
T874F1015 Set H1 and H2 anticipators to
lowest settings.
F1106 95 Obsolete
. Oneida logo; part no. 30A0287-02; used with
Q674K1018 on combination wood and oil applications.
T874F1155
F1114 44 Honeywell logo; Honeywell Canada TRADELINE model;
°C scaleplate; includes Allen wrench and screws to lock
cover; field-adjustable locking levers.
T874F1015 Replacement has °F
scaleplate.
F1122 62 Obsolete
. Honeywell logo; two heat setpoint levers;
used with Q674B1307.
T874F1015/
Q674D1040
Replacement has no LED.
F1130 72, 91 Obsolete
. Reznor logo; °F/°C scaleplate; used with
Q674C, D, or G; used with Q674C1009, G1005; used in
Y594F1048.
T874F1015 Replacement has °F
scaleplate.
F1148 44 Obsolete
. Trane logo; part no. THT 0584. T874F1015
F1155 95 Honeywell logo; used with Q674K1026 on combination
wood and oil applications.
T874F1155
T874G Heat pump models; 2-stage heat, 1-stage cool;
1–stage changeover.
G1006 84, 155 Obsolete
. Honeywell logo; used with Q674E1015.
Y594G1252
a
Wiring differences (old=new):
R=O, M=Y, F=G, V=R, Y=W2;
E-W2 jumper required.
Table 8. T874 Cross Reference.
Model
Number
Fig.
No. Description
Trade Model
Replacement Remarks
a
Both the thermostat and subbase must be replaced.