Honeywell T874 - Page 90

T874 MULTISTAGE THERMOSTATS AND Q674 SUBBASES
60-2485—8 90
G1294 79 Obsolete. LSI; contains T874G1378, Q674C1124. See OEM for
replacement.
H2 is night setback.
G1328 194 Obsolete
. Addison part no. 8403-197; contains
T874G1543, Q674F1345.
Y594G1252 Wiring differences (old=new):
Y1=O, X=L, C=X.
G1344 194 Obsolete
. Heat Controller part no. 7601-110B;
contains T874G1469, Q674F1345.
Y594G1252 Wiring differences (old=new):
Y1=O, X=L, C=X; W1=Y.
G1351 160 Obsolete
. Luxaire part no. 026-00068-000; contains
T874G1568, Q674J1126.
Y594G1567
G1369 155 Obsolete
. Contains T874G1246, Q674F1212. Y594G1252
G1377 169 Obsolete. Coleman part no. 3600-373; contains
T874G1576, Q674F1402.
Y594G1633
G1385 155 Obsolete
. ArcoAire; contains T874G1592,
Q674F1212.
Y594G1252
G1393 170 Obsolete
. Contains T874R1393, Q674L1454. Y594G1393
G1419 227 TRADELINE; contains T874G1642, Q674F1444. Y594G1419
G1427 177 Obsolete
. Mammoth part no. 73034101; contains
T874G1659, Q674C1330.
See OEM for
replacement.
H2 is night setback.
G1443 174 Obsolete
. American Standard (Trane) part no.
ASYSTAT650; contains T874G1675, Q674J1142.
Y594G1161
G1476 227 TRADELINE; same as Y594G1419 except Premier
White® color; contains T874G1741, Q674F1477.
Y594G1476
G1492 211 Trol-A-Temp; contains T874G1758, Q674F1485. None See Trol-A-Temp for
replacement.
G1500 216 Obsolete
. Comfortmaker part no. 1505756; contains
T874G1774, Q674J1175.
See OEM for
replacement.
G1518 216 Obsolete
. ArcoAire part no. 1506756; contains
T874G1782, Q674J1175.
See OEM for
replacement.
G1526 167 TRADELINE; contains T874G1626, Q674F1436. None
G1534 227 TRADELINE; °C; white; Australia; contains
T874G1824, Q674F1477.
None
G1542 231 Obsolete
. Intertherm part no. 9129290; contains
T874G1832, Q674F1519.
Y594G1252 Cooling changeover only.
G1559 231 Obsolete
. Miller part no. 9129310; contains
T874G1840, Q674F1519.
Y594G1252 Cooling changeover only.
G1567 160 TRADELINE; contains T874G1865, Q674J1209. Y594G1567
G1575 160 Obsolete. TRADELINE; same as Y594G1567
except Premier White® color; contains T874G1873,
Q674J1225; direct replacement for York
2TH11702424 (Y594G1013 contains T874G1170/
Q674J1027) and 6TH11702424 (Y594G1229
contains T874G1428/Q674J1027).
Y594G1567 Replacement is beige.
G1583 229 Obsolete
. Lennox Canada part no. 97E78; contains
T874G1857, Q674F1535.
Y594G1161 Wiring differences (old=new):
E=X2, C=B, L=F.
G1591 243 Obsolete
. Amana part no. 10636701; contains
T874G1899 and Q674F1550.
Y594G1633
G1609 155 Obsolete
. Econar; contains T874G1915 and
Q674F1212.
Y594G1252
Table 10. Y594 Cross Reference.
Model
Number
Fig.
No. Description
Trade Model
Replacement
a
Remarks
a
Both the thermostat and subbase must be replaced.