Honeywell T874 - Page 53

T874 MULTISTAGE THERMOSTATS AND Q674 SUBBASES
53 60-2485—8
D1215 44 Obsolete. Friedrich Climate Master logo; part no.
AT5415; °F/°C scaleplate.
T874D1165 Replacement has °F
scaleplate.
D1223 44 Honeywell logo; Honeywell Canada TRADELINE model;
Celsius scale.
T874D1165 Replacement has °F
scaleplate.
D1231 44 Obsolete
. Honeywell logo; 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 System Control logo; part
no. HH07AT173; used with Q674L1116 (HH93AZ171).
See OEM for
replacement.
D1272 51, 53 Obsolete
. Carrier logo; 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 stage 1 heat primary.
D1280 44 Obsolete
. Command-Aire logo. T874D1165
D1298 90, 232 Obsolete. Singer 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
. McQuay logo; 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 logo; part no. D68535-03; used with
Q674B1075; used in Y594D1149.
T874D1165
D1330 44 Obsolete
. Trane logo; 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. McQuay logo; 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 logo; 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 logo; 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 McQuay logo; 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 logo.
T874D1165
a
Set H1 anticipator for current
draw of fan and stage 1 heat
primary.
D1462 80 Obsolete
. Fedders multi-logo; 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.