Honeywell T874 Product Data page 90

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

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