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T874 MULTISTAGE THERMOSTATS AND Q674 SUBBASES
57 60-2485—8
E1081 44 Trane lo
g
o; part no. BAY28X186; °F/°C scaleplate. T874E1016 Replacement has °F
scaleplate.
E1099 44 Obsolete
. Lennox lo
g
o; part no. 13F1001; °C scaleplate. T874E1016 Replacement has °F
scaleplate.
E1107 44 Hone
y
well lo
g
o; °C scaleplate. T874E1016 Replacement has °F
scaleplate.
E1123 44 Obsolete
. Amana lo
g
o; part no. D68535-4. T874E1016
E1149 44 Obsolete
. York lo
g
o; part no. 2TH04701724A. T874E1016
E1156 44 Obsolete
. Bor
g
Warner multi-lo
g
o; part no.
6TH04701724A.
T874E1016
E1164 44 Obsolete
. E. A. Juffali & Bros. lo
g
o. T874E1016
E1206 44 Obsolete
. Trane lo
g
o. T874E1016
E1230 44 Obsolete
. Climar lo
g
o. T874E1016
T874F
2-sta
g
e heat, 0-sta
g
e cool.
F1007 44 Hone
y
well lo
g
o. T874F1015
F1015 44 Hone
y
well lo
g
o; TRADELINE model; includes Allen
wrench and screws to lock cover; field-ad
j
ustable
lockin
g
levers.
T874F1015
F1023 44 Obsolete
. Lennox lo
g
o; part no. 13F1101. T874F1015
F1031 44 Obsolete. Hone
y
well lo
g
o; °C scaleplate; used with
40003440-001 wallplate; used in Y594F1022.
T874F1015 Replacement has °F
scaleplate.
F1049 44 Obsolete
. Lennox lo
g
o; °C scaleplate. T874F1015 Replacement has °F
scaleplate.
F1056 55,
66
Obsolete
. Hone
y
well lo
g
o; sta
g
es 1 and 2 heat
electricall
y
isolated; used with Q674D1008.
None
F1072 44 Obsolete. Wesco lo
g
o; heat anticipator factor
y
set at
0.8A.
T874F1015
F1098 189 Obsolete
. Lennox lo
g
o; used with Q674D1008 to control
an M839.
T874F1015 Set H1 and H2 anticipators to
lowest settin
g
s.
F1106 95 Obsolete. Oneida lo
g
o; part no. 30A0287-02; used with
Q674K1018 on combination wood and oil applications.
T874F1155
F1114 44 Hone
y
well lo
g
o; Hone
y
well Canada TRADELINE model;
°C scaleplate; includes Allen wrench and screws to lock
cover; field-ad
j
ustable lockin
g
levers.
T874F1015 Replacement has °F
scaleplate.
F1122 62 Obsolete
. Hone
y
well lo
g
o; two heat setpoint levers;
used with Q674B1307.
T874F1015/
Q674D1040
Replacement has no LED.
F1130 72, 91 Obsolete
. Reznor lo
g
o; °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 lo
g
o; part no. THT 0584. T874F1015
F1155 95 Hone
y
well lo
g
o; used with Q674K1026 on combination
wood and oil applications.
T874F1155
T874G
Heat pump models; 2-sta
g
e heat, 1-sta
g
e cool;
1–sta
g
e chan
g
eover.
G1006 84, 155 Obsolete
. Hone
y
well lo
g
o; used with Q674E1015.
Y594G1252
a
Wirin
g
differences
(
old=new
)
:
R=O, M=Y, F=G, V=R, Y=W2;
E-W2
j
umper re
q
uired.
Table 8. T874 Cross Reference.
Model
Number
Fig.
No. Description
Trade Model
Replacement Remarks
a
Both the thermostat and subbase must be replaced.