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SECTION 10: GAS P IPING
45
FIGURE 23: Gas Connection with Flexible Gas Hose
Shut-Off Valve (included with gas hose) must
be parallel to burner gas inlet. The 3" (8 cm)
displacement shown is for the cold condition.
This displacement may reduce when the
system is fired.
CORRECT POSITIONS
Flexible Gas Hose
36
"
(91 cm) length
3" (8 cm)
max. displacement
Side View
Heater Movement
12"
(30 cm)
3/4" NPT
Pipe
Horizontal
End View
Vertical
(as shown left)
Alternate
positions
okay
45° 45°
90° Pipe Elbow (not supplied)
CAUTION
Product Damage Hazard
Hold gas nipple securely with pipe wrench
when attaching gas hose.
Failure to follow these instructions can result
in product damage.
Description Part Number
3/4" Flexible Stainless Steel Gas Hose (US Models) 91412204
3/4" Rubber Type 1 Gas Hose (Canadian Models) 91412207
INCORRECT POSITIONS (WRONG INSTALLATION)
Heater Movement
Heater Movement
Heater Movement Heater Movement