Honeywell T874 Product Data page 34

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