Heat & Glo ST-38GTV Installer's Manual page 14

3\16" PIGGYBACK
CONNECTOR
TH
TP
TP
TH
GAS VALVE
BLACK L1
HI-TEMP
LIMIT SWITCH
BLACK S2
ON
OFF
ON/OFF
WHITE T2
SWITCH
RED T1
THERMOPILE
BLACK S1
BLACK L2
GROUND
REMOTE SWITCH
PIGTAIL
OPTIONAL WALL SWITCH,
THERMOSTAT OR REMOTE