Honeywell T874 Thermostat User Manual


 
T874 MULTISTAGE THERMOSTATS AND Q674 SUBBASES
33 60-2485—8
D1144 Carrier logo; no. HH07AT072 T874D1165
D1151 General Electric logo; no. AY28X098; 0.4 heat
anticipator setting
T874D1165
D1169 Airtemp (Chrysler) logo; used with Q672E1118 T874D1165/
Q674E1049
Wiring differences (old=new):
A=W1; set H1 anticipator to 1.2A.
D1177 Trane logo T874D1165
D1185 Dunham-Bush logo T874D1165
D1193 Fedders logo T874D1165
D1201 Climatrol logo T874D1165
D1219 Command-Aire logo T874D1165
D1227 Singer logo; no. 02005522; Celsius scale T874D1165
D1235 Singer logo; (Carteret) T874D1165
D1243 Friedrich logo T874D1165
D1250 Singer logo; no. 050240-02 T874D1165
D1268 Airtemp logo T874D1165
D1276 Celsius scale T874D1165
D1284 Solaron T874D1165
D1292 Tokyo Carrier logo; no. HH07AT072C; Celsius
scale
T874D1165
D1300 SUPER TRADELINE T874D1165
D1318 General Electric logo; no. AY28X098A; fan current
shunt for auto fan in heating.
T874D1165/
Q674B1075
D1326 General Electric logo; locking cover 72-78°F
(22-26°C) stop; fan current shunt for auto fan in
heating.
T874D1165
D1334 Lennox logo; Celsius scale T874D1165
D1342 Tappan logo; no. 080-13708-32 T874D1165
D1359 Singer logo; no. 02005740; Celsius scale; 6.6°C
differential between H1 and H2.
T874D1165 Only 2°F (1°C) differential between
H1 and H2.
D1367 Friedrich logo; no. 600-580-23 T874D1165
D1375 Singer logo; no. 02005713; Celsius scale; controls
2 separate heat/cool circuits; used with
Q674G1017
None
D1383 TRADELINE; Celsius scale T874D1165
D1391 Singer logo; no. 02005712; controls two separate
heat/cool circuits; used with Q674G1017
None
D1409 12°F (7°C) differential between H1 and H2 T874D1165
D1417 Fedders logo T874D1165
D1425 Climatrol logo T874D1165
D1433 Singer logo; no. 02005785; 8°F (4.4°C) differential
between H1 and H2
T874D1165
D1441 American Air Filter T874D1165
D1474 Carrier; no. HH07AT072-03; Celsius scale T874D1165
T872E 2-stage cool
E1002 Standard OEM T874E1016
E1010 TRADELINE T874E1016
E1028 Westinghouse logo T874E1016
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.