Trane UC SERIES Installer's Manual page 21

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MAIN MANUAL
SHUTOFF VALVE
GROUND
UNION
JOINT
DRIP
LEG
;
THE DOWNFLOW (VERTICAL) MAY BE INSTALLED LEFT OR RIGHT SIDE GAS PIPING
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AUTOMATIC GAS VALVE
WITH MANUAL SHUTOFF
MAIN MANUAL
SHUTOFF VALVE
GROUND
UNION JOINT
HORIZONTAL FURNACE GAS PIPING MAY BE FROM EITHER SIDE
18-CD19D5-10
AUTOMATIC GAS VALVE
WITH MANUAL SHUTOFF
UPFLOW MAY BE LEFT OR RIGHT HAND GAS PIPING
DRIP
LEG
(Typical upflow furnace shown in horizontal)
Installer's Guide
AUTOMATIC GAS VALVE
WITH MANUAL SHUTOFF
MAIN MANUAL
SHUTOFF
VALVE
AUTOMATIC GAS VALVE
WITH MANUAL SHUTOFF
MAIN MANUAL
SHUTOFF VALVE
GROUND
UNION
JOINT
DRIP
LEG
GROUND UNION JOINT
DRIP
LEG
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