Roberts Gorden NDUSTRIA NHE Series Installation, Operation & Service Manual page 59

FIGURE 31: 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.
12"
(30 cm)
Flexible Gas Hose
36" (91 cm) length
Description
High Pressure Regulator - 2 psi
High Pressure Regulator - 5 psi
Description
36" Vinyl Coated Flexible Stainless Steel Gas Hose - 3/4" NPT (US Models Only)
CORRECT POSITIONS
3" (8 cm)
max. displacement
Side View
Heater Movement
Part Number
90207600
90207601
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.
(as shown left)
Horizontal
End View
Part Number
91412204
SECTION 9: G P
AS
Vertical
45°
Alternate
positions
okay
IPING
55