T874 MULTISTAGE THERMOSTATS AND Q674 SUBBASES
60-2485—846
Table 8. T874 Cross Reference.
Model
Number Fig.
No. Description Trade Model
Replacement Remarks
T874A 1-sta
g
e heat, 1-sta
g
e cool.
A1002 44, 65 Hone
y
well lo
g
o; Standard OEM; used with Q674B1331. T874A1036
A1010 44 Hone
y
well lo
g
o; includes Allen wrench and screws to
lock cover; non-ad
j
ustable ran
g
e stops set at 72°F
(
max.
heat
)
and 78°F
(
min. cool
)
(
22-26°C
)
; field ad
j
ustable
lockin
g
levers.
T874A1010
A1028 44 Hone
y
well lo
g
o; heat anticipator factor
y
set at 0.4A. T874A1036
A1036 44 Hone
y
well lo
g
o; TRADELINE® model; includes Allen
wrench and screws to lock cover; field ad
j
ustable
lockin
g
levers.
T874A1036
A1044 44 Obsolete. AAF/Sn
y
der General lo
g
o; part no. 4ELN-
3006C; °F/°C scaleplate. T874A1036 Replacement has °F
scaleplate.
A1051 44 Lennox lo
g
o; part no. 12F9901; °F/°C scaleplate; heat
anticipator set at 0.45A. T874A1036 Replacement has °F
scaleplate.
A1069 44 Obsolete. Westin
g
house lo
g
o; used with Q674A-E,G. T874A1036
A1077 46, 82 Obsolete. Amana Air Conditionin
g
lo
g
o; part no.
D68535-1; heat anticipator factor
y
set at 1.2A; used with
Q674B1075, E1056; used in Y594A1001, A1019.
T874A1036
A1085 44, 46,
55, 66 Obsolete. Trane lo
g
o; part no. 13510451; used with
Q674B1018, B1075, D1008. T874A1036
A1093 44 Obsolete. McQua
y
lo
g
o; part no. 02005935; °F/°C
scaleplate. T874A1036 Replacement has °F/°C
scaleplate.
A1101 51, 53 Carrier lo
g
o; part no. HH07AT174; used with Q674B. Y594C1421 or
T874A1036a
When usin
g
the T874C1036,
set sta
g
e 1 heat anticipator for
total current draw of fan and
sta
g
e 1 heat primar
y
.
A1119 82 Obsolete. Sears lo
g
o; part no. 541. 91441/49. 9144; °F/
°C scaleplate; used with Q674E1007; used in
Y594A1068.
T874A1036 Replacement has °F
scaleplate.
A1127 44 Obsolete. Climate Control lo
g
o; part no. 02005936; °C
scaleplate. T874A1036 Replacement has °F
scaleplate.
A1135 44 Fedders multi-lo
g
o; part no. THTX-110-WCHA,
88-58-00500-001. T874A1036
A1143 44 Hone
y
well lo
g
o; °C scaleplate. T874A1036 Replacement has °F
scaleplate.
A1150 44 Hone
y
well lo
g
o; TRADELINE model; includes Allen
wrench and screws to lock cover; field ad
j
ustable
lockin
g
levers
(
68°F max. heat, 78°F min. cool
)
.
T874A1150
A1168 44 Obsolete. Trane Comfort Corps lo
g
o. T874A1036
A1176 44 Hone
y
well lo
g
o; meets DoD specs; includes Allen
wrench and screws to lock cover; no thermometer; non-
ad
j
ustable ran
g
e stops set at 72°F
(
max. heat
)
and 78°F
(
min. cool
)
(
22-26°C
)
; field ad
j
ustable lockin
g
levers.
T874A1176
A1184 51, 53 Trane lo
g
o; part no. BAY28X182; °F/°C scaleplate;
automatic fan in heatin
g
and coolin
g
modes; heat
anticipator set at 0.4A; used with Q674B1141, E1080.
T874A1036aWhen used with Q674E1080,
set sta
g
e 1 heat anticipator for
total current draw of fan and
sta
g
e 1 heat primar
y
;
replacement has °F
scaleplate.
A1192 44 Obsolete. Lennox lo
g
o; part no. 13F0001; °C scaleplate;
heat anticipator factor
y
set at .458A. T874A1036 Replacement has °F
scaleplate.
aBoth the thermostat and subbase must be replaced.