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T874 MULTISTAGE THERMOSTATS AND Q674 SUBBASES
60-2485—8 34
E1036 American Standard logo T874E1016
E1044 York logo; locking cover T874E1016
E1051 ITT logo T874E1016
E1069 Climatrol logo T874E1016
E1077 Airtemp (Chrysler) logo T874E1016
E1085 Lennox logo T874E1016
E1093 Trane logo T874E1016
E1101 Dunham-Bush logo T874E1016
E1119 Fedders logo T874E1016
E1127 Climatrol logo T874E1016
E1135 General Electric logo; no. AY28X108 T874E1016
E1143 Lennox logo; Celsius scale T874E1016
E1150 Celsius scale T874E1016
E1168 Airtemp logo T874E1016
T872F 2-stage heat
F1001 Standard OEM T874F1015
F1019 TRADELINE T874F1015
F1027 Lennox logo; fast cycle heat anticipator T874C1018
F1035 Luxaire logo; fast cycle performance on both heat
stages.
T874C1018 M839 draws 0.72A; set adjustable
heat anticipator to setting of 0.9A
for proper cycle rate.
F1043 York logo; locking cover; used with M839. T874C1018
F1050 Raehco logo T874F1015
F1068 Fast cycle performance on both heat stages. T874C1018
F1076 Wesco logo T874F1015
F1084 Lennox logo T874F1015
F1092 Auto Gas logo T874F1015
F1100 Celsius scale T874F1015
F1118 Lennox logo; Celsius scale T874F1015
F1126 Stages 1 and 2 heat electrically isolated; used with
Q672D1002
None
F1134 Square D logo; HCD-4 T874F1015
F1159 Wesco logo; heat anticipator set at 0.8A T874F1015
F1167 York logo T874F1015
F1175 Oneida Heater logo; no. 30A0287-01; used with
Q672K1012.
T874F1015/
Q674K1026
T872G Heat pump models; 2-stage heat,
1-stage cool, 1-stage changeover.
G1000 Fast cycle performance stage 2 heat; fixed
anticipator stage 1 heat and cool; changeover with
cooling; used with Q672F1018.
Y594G1252 Wiring differences (old=new):
W=W2, X1=X.
G1018 Adjustable anticipator stage 2 heat; fixed
anticipator stage 1 heat and cool; changeover with
cooling; used with Q672E1027.
Y594G1393 Wiring differences (old=new):
Y1=O, Y2=Y.
Table 6. T872-T874 Thermostat Cross Reference.
Model Number Description
T874 Trade
Replacement
a
Remarks
a
When replacing a T872 Thermostat and Q672 Subbase, always replace both the thermostat and the subbase.