T874 MULTISTAGE THERMOSTATS AND Q674 SUBBASES
47 60-24858
A1200 51, 53 Obsolete. Carrier lo
g
o; part no. HH07AT164; °C
scaleplate; includes Allen wrench and screws to lock
cover; used with Q674B.
T874A1036aSet sta
g
e 1 heat anticipator for
total current draw of fan and
sta
g
e 1 heat primar
y
;
replacement has °F
scaleplate.
A1226 44 Hone
y
well lo
g
o; Hone
y
well Canada TRADELINE model;
°C scaleplate; includes Allen wrench and screws to lock
cover.
T874A1036 Replacement has °F
scaleplate.
A1234 44 Obsolete. Friedrich Climate Master lo
g
o; heat
anticipator factor
y
set 1.2A. T874A1036
A1242 44 Obsolete. Friedrich Climate Master lo
g
o. T874A1036
A1259 44 Obsolete. Wesco lo
g
o; heat anticipator set at 0.8A. T874A1036
A1267 59 Obsolete. McQua
y
lo
g
o; used with Q674Q1004. T874A1036
A1275 44 Obsolete. Lennox lo
g
o; part no. 13F0101; meets DoD
specifications. T874A1176
A1283 75 McQua
y
Air Conditionin
g
lo
g
o; part no. 03005047; used
with Q674C1132 and thermistor to displa
y
outdoor
temperature.
T874A1036 Replacement does not have
abilit
y
to displa
y
external
temperature or momentar
y
s
y
stem switch position.
A1291 64 No lo
g
o; three-speed fan; one setpoint lever for heat and
cool setpoints; used with Q674Q1012; used in
Y594A1126.
T874A1036/
Q674B1075a
Replacement has two levers
and 1 speed fan.
A1309 44 Obsolete. Arcoaire Air Conditionin
g
and Heatin
g
lo
g
o;
part no. AO2076; includes Allen wrench and screws to
lock cover.
T874A1036
A1317 44 Obsolete. McQua
y
lo
g
o; part no. 60685301; no
scaleplate; used with Q674A-E,G. T874A1036
A1325 75 Obsolete. McQua
y
lo
g
o; part no. 60685401; no
scaleplate; used with Q674C1306 and outdoor
thermistor to displa
y
outdoor temperature.
T874A1036 Replacement does not have
abilit
y
to displa
y
external
temperature or momentar
y
s
y
stem switch position.
A1341 44 Obsolete. Trane lo
g
o; part no. THT-0577; meets DoD
specifications. T874A1176
A1358 44 York-Miraco lo
g
o. T874A1036
A1366 51, 53 Obsolete. BDP Multi-lo
g
o; part no. HH07AT182. T874A1036aSet sta
g
e 1 heat anticipator for
total current draw of fan and
sta
g
e 1 heat primar
y
.
A1374 44 American Standard lo
g
o; part no. ASYSTAT610; heat
anticipator factor
y
set at 0.4A. T874A1036a
A1390 44 Obsolete. Climate Control lo
g
o; part no. 654958804; °F/
°C scaleplate. T874A1036 Replacement has °F
scaleplate.
A1416 44 Obsolete. Reznor lo
g
o; part no. 654758803; °F/°C
scaleplate. T874A1036 Replacement has °F
scaleplate.
A1424 214 Obsolete. Carrier Ol
y
mpia Series Split S
y
stem lo
g
o; part
no. HH07AT194; used with Q674B1455
(
HH93AZ208
)
. See OEM for
replacement.
A1440 91 Obsolete. Simplex S
y
stem 2000 lo
g
o; heat anticipator
factor
y
set at 1.2A; used with Q674G1005; used in
Y594A.
T874A1036
A1465 212 Hone
y
well Trol-A-Temp lo
g
o; Premier White® color;
heat anticipator factor
y
set at 0.10A; used with
Q674E1379.
None See Trol-A-Temp for
replacement.
Table 8. T874 Cross Reference.
Model
Number Fig.
No. Description Trade Model
Replacement Remarks
aBoth the thermostat and subbase must be replaced.