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44
FIGURE 24: Gas Connection with Flexible Gas Hose
CORRECT POSITIONS
High Gas Pressure
Regulator to be installed
upstream of flexible gas
hose if inlet pressure
exceeds maximum
allowance.
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.
Side View
Rear View
Vertical
(as shown left)
45
°
45
°
Pipe Nipple
Burner Assembly
(shown without blower assembly)
Heater Movement
90
°
Pipe Elbow
(not included)
Flexible Gas Hose
36" (91 cm) length
12"
(30 cm)
3" (8 cm)
max. displacement
Alternate
positions okay
INCORRECT POSITIONS (WRONG INSTALLATION)
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
1/2" Flexible Stainless Steel Gas
Hose (US Models)
3/4" Flexible Stainless Steel Gas
Hose (US Models)
1/2" Rubber Type 1 Gas Hose
(Canadian Models)
3/4" Rubber Type 1 Gas Hose
(Canadian Models)
Heater Movement
Heater Movement
Heater Movement
Heater Movement
Summary of Contents for IRH
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