Filter
Top Products
T874 MULTISTAGE THERMOSTATS AND Q674 SUBBASES
60-2485—838
R1123 York lo
g
o; no. 025-21453C; Celsius scale. Y594R1664
R1131 Lennox lo
g
o; separate auxiliar
y
heat power circuit;
fast c
y
cle sta
g
e 2 heat anticipator; outdoor reset;
used with Q672L1144, C815A1013.
None
R1149 Westin
g
house lo
g
o; ad
j
ustable sta
g
e 2 heat
anticipator; coolin
g
chan
g
eover; fixed anticipator
sta
g
e 1 heat and cool; used with Q672L1110,
L1128, L1151.
Y594R1243 Wirin
g
differences
(
old=new
)
:
W=W2.
R1156 Marvair lo
g
o; used with Q672L1094, L1250. Y594R1243 Replacement has auto fan in
Emer
g
enc
y
Heat mode.
R1164 Bard; used with Q672L1185. Y594R1243
R1172 Heil Quaker; used with Q672L1193. Y594R1243 Wirin
g
differences
(
old=new
)
: B=X,
W=W2.
R1180 York; Celsius; used with Q672L1011. Y594R1664
R1198 TRADELINE; used with Q672L1227 Y594R1243
R1206 For use with W89; used with Q672L1235. None
R1214 Intertherm lo
g
o; used with Q672L1276. Y594R1300 Wirin
g
differences
(
old=new
)
:
W1=B, Z=L, K=E.
R1222 York lo
g
o; used with C815A1039; ad
j
ustable
anticipator sta
g
e-2 heat; used with Q672L1284
Y594R1672
R1230 Amana lo
g
o; no. C62397-1; used with
Q672L1300, W89.
None
R1255 Sin
g
er lo
g
o; used with Q672L1326 and W89. None
R1271 Westin
g
house lo
g
o; used with Q672L1375 and
W89.
Y594R1664
R1297 York; Celsius scale; used with Q672L1011. None
R1305 Used with Q672L1235 and W89. None
R1321 Duotherm lo
g
o; used with Q672L1409, and W89. None
R1339 Williamson; used with Q672L1391. Y594R1243
T872S
Heat pump model; 2-sta
g
e heat plus chan
g
eover,
1-sta
g
e cool.
S1005 Westin
g
house lo
g
o; ad
j
ustable anticipator sta
g
e 1
and 2 heat; fixed anticipator sta
g
e 1 heat;
chan
g
eover with heatin
g
: used with Q672C1045
T874C1018/
Q674C1058
Wirin
g
differences
(
old=new
)
:
V=RC-RH, F=G, C=Y1, Z=B,
H2=W2; W1-Y1
j
umper re
q
uired.
T872T
1-heat sta
g
e, 1-vent and 2-cool sta
g
es.
T1004 Trane lo
g
o; used with Q672B1129. None
T872W
3-heat sta
g
es, 2-cool sta
g
es, manual chan
g
eover
W1019 Lennox lo
g
o; no. 52C7501; used with Q672L1342
and C815A1013.
None
W1027 Westin
g
house lo
g
o; used with Q672L1268 and
C815A1021.
None
W1035 TRADELINE; used with C815A1043 and
Q672B1251.
Y594W1014
Table 6. T872-T874 Thermostat Cross Reference.
Model Number Description
T874 Trade
Replacement
a
Remarks
a
When replacin
g
a T872 Thermostat and Q672 Subbase, alwa
y
s replace both the thermostat and the subbase.