T874 MULTISTAGE THERMOSTATS AND Q674 SUBBASES
60-2485830
A1279 General Electric lo
g
o; no. AY28X114A; 75°F stop;
lockin
g
cover; no thermometer. T874A1010 Use T874A1176 for Dept. of
Defense
(
DoD
)
application.
A1287 General Electric; no. AY28X097A; fan current
shunt for auto fan in heatin
g
; heat anticipator set at
0.4A.
T874A1036/
Q674B1018 Set thermostat sta
g
e 1 heat
anticipator for total of fan and sta
g
e
1 primar
y
control current draw.
A1295 Lennox; Celsius scale T874A1036
A1303 Lennox lo
g
o; no. 64A0601; meets DoD specs T874A1176
A1311 Envirotron special; Celsius scale T874A1010
A1329 Carrier lo
g
o; Celsius scale; no. HH07AT074C T874A1036
A1337 S
q
uare D; no. HCD-3; heat anticipator set at 0.2A T874A1036
A1345 TRADELINE; Celsius scale T874A1010
A1352 Heat anticipator set 1.2A T874A1036
A1360 Friedrich lo
g
o; heat anticipator set at 0.2A T874A1036
A1378 Wesco lo
g
o; heat anticipator set at 0.8A T874A1036
T872B 1-sta
g
e heat, 2-sta
g
e cool
B1005 Standard OEM T874B1019
B1013 0.4A heat anticipator settin
g
T874B1019
B1021 TRADELINE T874B1019
B1039 Westin
g
house lo
g
o T874B1019
B1047 American Standard lo
g
o T874B1019
B1054 Climatrol lo
g
o T874B1019
B1062 Carrier lo
g
o T874B1019
B1070 Trane lo
g
o T874B1019
B1088 Fedders lo
g
o T874B1019
B1096 Climatrol lo
g
o T874B1019
B1104 Carteret lo
g
o T874B1019
B1112 Sin
g
er lo
g
o; no. 050240-03 T874B1019
B1120 Celsius scale T874B1019
B1138 Sin
g
er lo
g
o; no. 02005711; lockin
g
cover and
lever. T874B1019
B1146 Lennox lo
g
o; no. P-8-8895 T874B1019
B1153 Lennox lo
g
o; Celsius scale T874B1019
T872C 2-sta
g
e heat, 1-sta
g
e cool
C1004 Standard OEM T874C1018
C1012 Heat anticipator set at 0.4A T874C1018
C1020 72-78°F
(
22-26°C
)
stop; lockin
g
cover; no
thermometer; 42-88°F
(
6-31°C
)
setpoint ran
g
e. T874C1141 Use T874C1141 for Dept. of
Defense
(
DoD
)
application.
C1038 TRADELINE T874C1018
C1046 American Standard lo
g
o T874C1018
C1053 Friedrich lo
g
o T874C1018
C1061 Lennox lo
g
o; no. P-8-8896 T874C1018
C1079 Westin
g
house lo
g
o; sta
g
e 1 heat anticipator set at
0.75A; sta
g
e 2 anticipator set at 1.2A T874C1018
C1087 Fast c
y
cle performance on both heat sta
g
es;
anticipator ran
g
e 0.12-0.6A T874C1018 Ad
j
ust anticipator
faster
for correct
performance.
C1095 Pa
y
ne lo
g
o; no. 0.1-0.175 T874C1018
Table 6. T872-T874 Thermostat Cross Reference.
Model Number Description T874 Trade
ReplacementaRemarks
aWhen replacin
g
a T872 Thermostat and Q672 Subbase, alwa
y
s replace both the thermostat and the subbase.