Roberts-Gordon HE15UT - Manual (Page 59)

SECTION 12: G AS P IPING
53 of 73
Figure 32: Gas Connection with Stainless Steel Flex Connector
Shut-Off Valve (included with gas hose) must
be parallel to burner gas inlet. The 80 mm
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
910 mm length
80 mm)
max. displacement
Side View
Heater Movement
30 mm
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