18-CD30D1-20-EN
35
Installer’s Guide
Main Manual
Shut-off Valve
Ground
Union
Joint
Drip Leg
1/8” NPT
Test Fitting
Main Manual
Shut-off Valve
Ground
Union
Joint
Drip Leg
1/8” NPT
Test Fitting
MANUAL SHUT-OFF
DRIP
LEG
DRIP
LEG
HORIZONTAL FURNACE GAS PIPING MAY BE FROM EITHER SIDE
(TYPICAL UPFLOW FURNACE IN HORIZONTAL CONFIGURATION SHOWN)
AUTOMATIC GAS VALVE WITH
MANUAL SHUT-OFF
THE DOWNFLOW (VERTICAL) MAY BE INSTALLED LEFT OR RIGHT SIDE GAS PIPING
UPFLOW MAY BE LEFT OR RIGHT HAND GAS PIPING
AUTOMATIC GAS VALVE WITH
MANUAL SHUT-OFF
AUTOMATIC GAS VALVE WITH
MANUAL SHUT-OFF
DRIP
LEG
DRIP
LEG
DRIP
LEG
DRIP
LEG
IMPORTANT:
A sediment trap must
be installed in the
gas line before the
furnace gas valve. The
sediment trap must
be located as close to
the furnace cabinet as
practical.
IMPORTANT:
A sediment trap must
be installed in the
gas line before the
furnace gas valve. The
sediment trap must
be located as close to
the furnace cabinet as
practical.
IMPORTANT:
A sediment trap must
be installed in the
gas line before the
furnace gas valve. The
sediment trap must
be located as close to
the furnace cabinet as
practical.
)
Q
W
AUTOMATIC GAS VALVE WITH