T874 MULTISTAGE THERMOSTATS AND Q674 SUBBASES
60-2485—860
G1444 160 Obsolete. ROCA lo
g
o; °C scaleplate; used with
Q674J1027. Y594G1567a Replacement has °F
scaleplate.
G1451 155 Obsolete. BDP multi-lo
g
o; part no. HH641502; used with
Q674F1212; used in Y594G1245. T874G1246a or
V594G1252a
G1469 194 Obsolete. No lo
g
o; Addison special; used with
Q674F1345; used in Y594G1344. Y594G1252aWirin
g
differences
(
old=new
)
:
Y1=O, C=X, W1=Y1, X=L.
G1485 163 Obsolete. AAF lo
g
o; part no. 4ELN-7839; °F/°C
scaleplate; 10°F differential between H1 and H2 for ni
g
ht
setback and momentar
y
RESET s
y
stem switch position;
used with Q674C1199.
Y594G1393aNo ni
g
ht setback or
momentar
y
reset switch.
T8611G1004
(
pro
g
rammable
)
Includes ni
g
ht setback; no
momentar
y
reset switch.
G1493 167 Obsolete. Hone
y
well lo
g
o; Rheem part no. 41-20797-
18; used with Q674F1360. Y594G1526a
G1501 195 Obsolete. Coleman lo
g
o; part no. 3600-375; chan
g
eover
in coolin
g
mode; used with Q674F1378. Y594G1252aWirin
g
differences
(
old=new
)
:
L1=L; chan
g
eover in coolin
g
onl
y
.
G1535 163 Obsolete. AAF/Sn
y
der General lo
g
o; 4ELN7839 °F/°C
scaleplate; 10°F differential between H1 and H2 for ni
g
ht
setback and momentar
y
RESET s
y
stem switch position;
used with Q674C1199.
Y594G1393aNo ni
g
ht setback or
momentar
y
reset switch.
T8611G1004
(
pro
g
rammable
)
Includes ni
g
ht setback.
G1543 194 Obsolete. Addison lo
g
o; Weather Kin
g
part no. 8403-
197; used with Q674F1345; used in Y594G1328. Y594G1252aWirin
g
differences
(
old=new
)
:
Y1=O, C=X, W1=Y, X=L.
G1568 160 Obsolete. Luxaire lo
g
o; part no. 026-00068-000; °C
scaleplate; used with Q674J1126; used in Y594G1351. Y594G1367aReplacement has °F
scaleplate.
G1576 169 Obsolete. Coleman lo
g
o; part no. 3600-373; chan
g
eover
in heatin
g
and coolin
g
mode; used with Q674F1402;
used in Y594G1377.
Y594G1633a
G1584 73 Obsolete. No lo
g
o; Friedrich part no. AT5784; 8°F
(
4.4°C
)
differential between H1 and H2; used with
Q674C1223.
Y594H1012aWirin
g
differences
(
old=new
)
:
Y1=O, Y2=Y, L=R, R=none;
L-R
j
umper re
q
uired; no ni
g
ht
setback.
T8611G1004
(
pro
g
rammable
)
Includes ni
g
ht setback.
G1592 155 Obsolete. Arcoaire lo
g
o; used with Q674F1212; used in
Y594G1385. T874G1246a or
Y594G1252a
G1600 199 Obsolete. Hone
y
well lo
g
o; meets DoD specifications;
used with Q674F1428; used in Y594G1401. Y594G1419a Wirin
g
differences
(
old=new
)
:
j
umper W1-Y1.
G1618 73 Obsolete. Hone
y
well lo
g
o; 12°F differential between H1
and H2 for ni
g
ht setback; used with Q674C1256. Y594H1012aWirin
g
differences
(
old=new
)
:
Y1=O, Y2=Y, L=R, R=none;
L-R
j
umper re
q
uired; no ni
g
ht
setback.
T8600C1162
(
pro
g
rammable
)
Wirin
g
differences
(
old=new
)
:
L=R, W=O; W-Y
j
umper
re
q
uired; includes ni
g
ht
setback.
G1626 167 Hone
y
well lo
g
o; used with Q674F1436; used in
Y594G1526. None
G1642 227 Hone
y
well lo
g
o; TRADELINE model; meets DoD
specifications; used with Q674F1444; used in
Y594G1419.
Y594G1419a
Table 8. T874 Cross Reference.
Model
Number Fig.
No. Description Trade Model
Replacement Remarks
aBoth the thermostat and subbase must be replaced.