T874 MULTISTAGE THERMOSTATS AND Q674 SUBBASES
60-2485834
E1036 American Standard lo
g
o T874E1016
E1044 York lo
g
o; lockin
g
cover T874E1016
E1051 ITT lo
g
o T874E1016
E1069 Climatrol lo
g
o T874E1016
E1077 Airtemp
(
Chr
y
sler
)
lo
g
o T874E1016
E1085 Lennox lo
g
o T874E1016
E1093 Trane lo
g
o T874E1016
E1101 Dunham-Bush lo
g
o T874E1016
E1119 Fedders lo
g
o T874E1016
E1127 Climatrol lo
g
o T874E1016
E1135 General Electric lo
g
o; no. AY28X108 T874E1016
E1143 Lennox lo
g
o; Celsius scale T874E1016
E1150 Celsius scale T874E1016
E1168 Airtemp lo
g
o T874E1016
T872F 2-sta
g
e heat
F1001 Standard OEM T874F1015
F1019 TRADELINE T874F1015
F1027 Lennox lo
g
o; fast c
y
cle heat anticipator T874C1018
F1035 Luxaire lo
g
o; fast c
y
cle performance on both heat
sta
g
es. T874C1018 M839 draws 0.72A; set ad
j
ustable
heat anticipator to settin
g
of 0.9A
for proper c
y
cle rate.
F1043 York lo
g
o; lockin
g
cover; used with M839. T874C1018
F1050 Raehco lo
g
o T874F1015
F1068 Fast c
y
cle performance on both heat sta
g
es. T874C1018
F1076 Wesco lo
g
o T874F1015
F1084 Lennox lo
g
o T874F1015
F1092 Auto Gas lo
g
o T874F1015
F1100 Celsius scale T874F1015
F1118 Lennox lo
g
o; Celsius scale T874F1015
F1126 Sta
g
es 1 and 2 heat electricall
y
isolated; used with
Q672D1002 None
F1134 S
q
uare D lo
g
o; HCD-4 T874F1015
F1159 Wesco lo
g
o; heat anticipator set at 0.8A T874F1015
F1167 York lo
g
o T874F1015
F1175 Oneida Heater lo
g
o; no. 30A0287-01; used with
Q672K1012. T874F1015/
Q674K1026
T872G Heat pump models; 2-sta
g
e heat,
1-sta
g
e cool, 1-sta
g
e chan
g
eover.
G1000 Fast c
y
cle performance sta
g
e 2 heat; fixed
anticipator sta
g
e 1 heat and cool; chan
g
eover with
coolin
g
; used with Q672F1018.
Y594G1252 Wirin
g
differences
(
old=new
)
:
W=W2, X1=X.
G1018 Ad
j
ustable anticipator sta
g
e 2 heat; fixed
anticipator sta
g
e 1 heat and cool; chan
g
eover with
coolin
g
; used with Q672E1027.
Y594G1393 Wirin
g
differences
(
old=new
)
:
Y1=O, Y2=Y.
Table 6. T872-T874 Thermostat Cross Reference.
Model Number Description T874 Trade
ReplacementaRemarks
aWhen replacin
g
a T872 Thermostat and Q672 Subbase, alwa
y
s replace both the thermostat and the subbase.