Connecting The Gas - Monessen Hearth VWF18N Installation And Operating Instructions Manual

NOTICE: A qualified gas appliance installer must connect the
appliance to the gas supply. Consult all local codes before
installation.
Use new black iron pipe, steel pipe, copper tubing, or internally tinned copper tubing.
Copper or internally tinned copper tubing can only according to the National Fuel
Gas Code, section 2.6.3, providing gas meets sulfi de limits, and where permitted by
local codes. Gas piping system must be sized to provide minimum inlet pressure
at the maximum fl ow rate (BTU/Hr). Undue pressure loss will occur if the pipe is
too small.
A manual shutoff valve must be installed upstream of the appliance. Union tee and
plugged 1/8" NPT pressure tapping point should be installed upstream of the appliance.
See Figure 16.
To Gas Log
Set or to Gas
Valve
Locations that the Pressure Tapping
Point May be Installed
IMPORTANT: Hold appliance fi rmly with a wrench to prevent movement when connecting to inlet piping.
Always use an external regulator for all propane/LPG gas logs only, to reduce the supply tank pressure to a
maximum of 13" w.c.
27D7300
Pipe Coupling
Gas Supply Inlet Gas Supply Inlet
Figure 16- Gas Connection

CONNECTING THE GAS

Connecting directly to
an unregulated propane/
LPG tank can cause an
explosion.
Shutoff
Valve
Pipe
13