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SECTION 9: GAS PIPING
41
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
Horizontal
45°
End View
Vertical
(as shown left)
Alternate
positions
okay
Flexible Gas Hose
36
"
(91 cm) length
3" (8 cm)
max. displacement
Side View
Heater Movement
12"
(30 cm)
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.
INCORRECT POSITIONS (WRONG INSTALLATION)
Heater Movement
Heater Movement
Heater Movement Heater Movement
Description Part Number
1/2" Flexible Stainless Steel Gas Hose (US Models) 91412200
3/4" Flexible Stainless Steel Gas Hose (US Models) 91412204
1/2" Rubber Type 1 Gas Hose (Canadian Models) 91412206
3/4" Rubber Type 1 Gas Hose (Canadian Models) 91412207