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&IGURE
#ONNECTGASSUPPLYPIPING
(EATING/NLYBOILERSHOWN
Part number 550-142-850/0115
48
FreeStyle
™
W
ALL
M
OUNT
GAS
-
FIRED
WATER
BOILER
—
Boiler Manual
20
Gas piping
FreeStyle
™
boilers are shipped ready to fire
natural gas ONLY. You must install the pro-
PANE VENTURI IF THE BOILER WILL BE CONNECTED
to propane. See page 12. Failure to comply
could result in severe personal injury, death
or substantial property damage.
Connecting gas supply piping
1.
2EMOVEJACKETDOORANDREFERTO
Figure 59 to pipe gas to boiler.
a. Place a pipe wrench on the gas line inside the jacket
when tightening the gas line assembly to the boiler gas
connection (item 1).
b. Install steel pipe fittings as shown in Figure 59. All pipe
fittings and gas cock are supplied by the installer.
2. Use pipe dope compatible with propane gases. Apply spar-
INGLYONLYTOMALETHREADSOFPIPEJOINTSSOTHATPIPEDOPE
does not block gas flow.
Failure to apply pipe dope as detailed above can
result in severe personal injury, death or substantial
property damage.
3. Connect gas supply piping to the ½” NPT gas cock (item 2).
4. Support gas piping with hangers, not by boiler or its acces-
sories.
5.
0URGEALLAIRFROMGASSUPPLYPIPING
6.
"EFOREPLACINGBOILERINOPERATIONCHECKBOILERANDITSGAS
CONNECTIONFORLEAKS
a. During any pressure testing at less than 13” w.c., close
THEGASSHUTOFFVALVEANDDISCONNECTSYSTEMGASPIPING
At higher test pressures, disconnect boiler and gas valve
FROMGASSUPPLYPIPING
$ONOTCHECKFORGASLEAKSWITHANOPENmAME
use bubble test. Failure to use bubble test or check
FORGASLEAKSCANCAUSESEVEREPERSONALINJURYDEATH
or substantial property damage.
DO NOT adjust or attempt to measure gas valve
OUTLETPRESSURE4HEGASVALVEISFACTORYSETFORTHE
CORRECTOUTLETPRESSURE4HISSETTINGISSUITABLEFOR
natural gas and propane. Attempting to alter or
measure the gas valve outlet pressure could result
in damage to the valve, causing potential severe
personal injury, death or substantial property dam-
age.
Flexible appliance gas connectors are NOT recom-
mended.
'ASPIPESIZING
1. See page 16
FORGASLINESIZINGINFORMATION
1 Boiler gas supply connection, ½” NPT male
!,,/&4(%&/,,/7).'!2%3500,)%$"94(%).34!,,%2
2 T-handle gas cock, ½” NPT
3 Nipple, ½” NPT
4 Unions, ½” NPT
5 Nipple, ½” NPT
6 Tee, ½” NPT
7 Nipple, ½” NPT x 6”, for drip leg
8 Cap, ½” NPT
5SETWOWRENCHES
when tightening gas pip-
ing at boiler, using one wrench to prevent the
BOILERGASLINECONNECTIONFROMTURNING&AILURE
to support the boiler gas connection pipe to
PREVENTITFROMTURNINGCOULDDAMAGEGASLINE
components.
Union or Coupling
must
be used.