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T874 MULTISTAGE THERMOSTATS AND Q674 SUBBASES
53 60-2485—8
D1215 44 Obsolete. Friedrich Climate Master lo
g
o; part no.
AT5415; °F/°C scaleplate.
T874D1165 Replacement has °F
scaleplate.
D1223 44 Hone
y
well lo
g
o; Hone
y
well Canada TRADELINE model;
Celsius scale.
T874D1165 Replacement has °F
scaleplate.
D1231 44 Obsolete
. Hone
y
well lo
g
o; 12°F
(
7°C
)
differential
between H1 and H2.
T874D1165 Replacement has 2°F
differential between H1 and
H2.
D1249 44 Obsolete
. Fedders special. T874D1165
D1256 44 Obsolete
. Climatrol special. T874D1165
D1264 107 Obsolete
. Carrier Heat Pump S
y
stem Control lo
g
o; part
no. HH07AT173; used with Q674L1116
(
HH93AZ171
)
.
See OEM for
replacement.
D1272 51, 53 Obsolete
. Carrier lo
g
o; part no. HH07AT162-03; °C
scaleplate; used with Q674B.
T874D1165
a
Replacement thermostat has
°F scaleplate; set H1
anticipator for current draw of
fan and sta
g
e 1 heat primar
y
.
D1280 44 Obsolete
. Command-Aire lo
g
o. T874D1165
D1298 90, 232 Obsolete
. Sin
g
er special; °C scaleplate; controls two
separate heat/cool circuits; used with Q674D or
Q674G1054, G1062.
See OEM for
replacement.
D1306 90, 186 Obsolete
. Trane special; part no. 02005949; controls
two separate heat/cool circuits; used with Q674G1013.
See OEM for
replacement.
D1314 44 Obsolete
. McQua
y
lo
g
o; part no. 02005941; 12°F
(
6.6°C
)
differential between H1 and H2.
T874D1165 Replacement has °F
scaleplate; 2°F differential
between H1 and H2.
D1322 46 Obsolete
. Amana lo
g
o; part no. D68535-03; used with
Q674B1075; used in Y594D1149.
T874D1165
D1330 44 Obsolete
. Trane lo
g
o; part no. 13080242; °C scaleplate. T874D1165 Replacement has °F
scaleplate.
D1355 44 Obsolete
. Climate Control special; part no. 02005942;
°C scaleplate; 6°C
(
11°F
)
differential between H1 and
H2.
T874D1165 Replacement has 2°F
differential between H1 and
H2.
D1363 44 Obsolete
. McQua
y
lo
g
o; part no. 02005943; 12°F
(
6.6°C
)
differential between H1 and H2; 6°F
(
3.3°C
)
differential between C1 and C2.
T874D1165 Replacement has 2°F
differential between H1 and
H2; 2°F differential between
C1 and C2.
D1405 44 Obsolete
. Trane lo
g
o; part no. 02005952; 12°F
(
6.6°C
)
differential between H1 and H2; 6°F
(
3.3°C
)
differential
between C1 and C2.
T874D1165 Replacement has 2°F
differential between H1 and
H2; 2°F differential between
C1 and C2.
D1413 44 Obsolete
. Trane lo
g
o; part no. 02005956; 12°F
(
6.6°C
)
differential between H1 and H2.
T874D1165 Replacement has 2°F
differential between H1 and
H2.
D1421 44 Obsolete
. Climate Control special; part no. 02005938;
°C scaleplate.
T874D1165 Replacement has °F
scaleplate.
D1439 90 McQua
y
lo
g
o; part no. 02005935; used with
Q674G1096.
T874D1165
D1447 90 Obsolete
. Climate Control special; part no. 02005940;
°C scaleplate; used with Q674G1096.
T874D1165 Replacement has °F
scaleplate.
D1454 51, 53 Obsolete
. Carrier lo
g
o.
T874D1165
a
Set H1 anticipator for current
draw of fan and sta
g
e 1 heat
primar
y
.
D1462 80 Obsolete
. Fedders multi-lo
g
o; part no. THTX-220-A0HB,
88-58-00550-001; used with Q674E1205.
T874D1165
Table 8. T874 Cross Reference.
Model
Number
Fig.
No. Description
Trade Model
Replacement Remarks
a
Both the thermostat and subbase must be replaced.