Heat & Glo ST-38GTV Installer's Manual page 13

3/8" (10mm)
IGNITOR
1/2" (13mm)
CERAMIC
INSULATOR
3/16" (5mm)
USE A WRENCH ON
SHUT-OFF VALVE WHEN
TIGHTENING GAS LINE
MANUAL
GAS SHUT-OFF VALVE
ACCESS
GAS VALVE
FLEX
CONNECTOR