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15
• RUN GAS SUPPLY
For pipe sizing, refer to your local gas
installation codes.
• PURGE SUPPLY OF AIR AND
DEBRIS
All foreign materials such as filings must
be purged from the gas supply, as they may
cause the gas valve to malfunction.
A means to measure the gas pressure
immediately upstream of the supply
connection to the appliance shall be
provided by the installer.
Connect and tighten union.
On completion of work, check for gas leaks.
VENTING
GAS CONNECTION
Use only an approved B vent system.
An approved chimney liner must be
used.
It is recommended that the flue be
installed vertically only. If installation
prevents this then there must be
at
least 4 feet of vertical flue before any
bends. The flue must not fall below
horizontal at any stage. There must
not be more than 2 bends in any
system. Any horizontal section of flue
must be less than 1/3 the length of
vertical flue which follows it.
See diagram
An approved B vent system must be
attached by mechanical means to the flue
spigot and sealed using an approved high
temperature sealant.
**
X/3 maximum
maximum
2 bends
10 ft
Minimum **
4 ft
minimum
X
3/8 MNPT
Use a soapy solution on all gas
connections. Leaks will be visible when the
soapy solution forms bubbles. When
finished wipe soapy solution with rag to
remove residue.
** Refer to local codes for other minimum
requirements.