Installations Instructions

34
Gas Piping Connections
Alternate
Gas Line
Location
Gas Valve
Burners
Manual Shut Off Valve
(upstream from
ground joint
pipe union)
Drip Leg
Grommet
in Standard
Gas Line
Hole
*Ground
Joint
Pipe
Union
*Ground
Joint
Pipe
Union
*NOTE: Uni on may be inside f ur nace cabinet wher e all owed by local codes.
Manifold
UPFLOW
Figure 36
Alternate
Gas Line
Location
Plug in
Alternate
Gas Line
Hole
Gas Valve
Burners
Manual Shut Off Valve
(upstream from ground joint pipe union)
Drip Leg
Grommet
in Standard
Gas Line
Hole
*Ground
Joint
Pipe Union
*Ground
Joint
Pipe Union
*NOTE: Union may be inside fur nace cabinet where all owed by local codes.
COUNTERFLOW
Figure 37
Manual Shut Off Valve
(upstream from
ground joint
pipe union)
When gas line is i n t he al t ernat e l ocat ion, swap t he posi t ion of
t he pl ug and grommet .
UPFLOW - HORIZONTAL LEFT
Figure 38
Drip Leg
Plug in Main Gas Line Hole
Alternate
Union
Location
Manual Shut Off Valve
(upstream from
ground joint pipe union)
Gas
Valve
Burners
Drain Trap
Manifold
Plug in Alternate Gas Line Hole
Grommet in
Standard Gas Line Hole
Dr i p leg may t er minat e wit h a 1/ 2” x 1/ 8” pi pe plug t o
accommodat e l i ne gas pressur e measur ement .
COUNTERFLOW - HORIZONTAL RIGHT
Figure 39