ROBERTS GORDON
®
T F-S
E RIE S
S
U BMI TT AL
S
HEE T
© 2004 Roberts-Gordon
APPLI CAT IONS, ENGIN EE RING AND DE TAI LE D GUIDANCE ON SYST EMS DE SI GN, I NSTALL ATION AND PRODUCT PE RFORMANCE I S AVAIL ABL E UPO N REQUE ST. ROBERTS GO RDON
®
PRODUCTS ARE TO BE
INSTAL LE D ONLY I N ACCOR DANCE WIT H L OCAL L AW S, CODES AND RE GULAT IONS, AND ONLY BY A CONTRACTO R QUALI FIE D IN THE INST AL LAT ION AND SE RVICE OF GAS-F IRE D HEAT ING E QUIPMEN T.
GAS PIPING
FIGURE 1: Gas Connection with Stainless Steel Flex Connector
Hold gas nipple securely
with pipe wrench when
attaching the flex gas
connector.
Failure to follow these
instructions can result in
product damage.
Burner
2
" (5
cm
)
S
tainless
S
teel
Fle
x
Gas
Connector
S
hut-
O
ff
Valve
(
included
with
connector
)
3/
4
"
NPT
Pipe
S
hut-
O
ff
Valve
must
be
parallel
to
burner
gas
inlet.
The
2
" (5
cm
)
displacement
shown
is
for
the
cold
condition.
This
displacement
may
reduce
when
the
system
is
fired.
1
2
"
(30
cm
)
4
5
°
90
°
0
°
4
5
°
90
°
Pipe
Elbow
(
not
supplied
)
Descri ption
Part Number
1/2” Flex G as Line
91412200
3/4” Flex G as Line
91412203