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74D3000
3
BLDV7 Series Gas Fireplace
A listed manual shutoff valve must be installed upstream
of the appliance. Union tee and plugged 1/8" NPT pres-
sure tapping point should be installed upstream of the
appliance. Figure 31
IMPORTANT: Install main gas valve (equipment shutoff
valve) in an accessible location. The main gas valve is for
turning on or shutting off the gas to the fireplace.
Check your building codes for any special requirements for locating equipment shutoff valve to
fireplaces.
Apply pipe joint sealant lightly to male threads. This will prevent excess sealant from going into pipe.
Excess sealant in pipe could result in clogged burner system valve.
We recommend that you install a sediment trap/drip leg in supply line as shown in Figure 31. Locate
sediment trap/drip leg where it is within reach for cleaning. Install in piping system between fuel
supply and burner system. Locate sediment trap/drip leg where trapped matter is not likely to freeze.
A sediment trap collects moisture and contaminants and keeps them from going into the burner
system gas controls. If sediment trap/drip leg is not installed or is installed wrong, burner system
may not run properly.
The gas line connection may be made using 1/" rigid tubing or an approved flex connector.
Since some municipalities have additional local codes it is always best to consult your local authorities
and the current edition of the National Fuel Gas Code ANSI.Z3.1, NFPA54. In Canada CSA-B149
(1 or ) Installation Code.
Figure 31
3" Minimum
FP1978
gas connection
Pipe Nipple
Cap
Figure 31 -
Gas Connection
Tee Joint
Approved Flexible
Gas Line
CSA Design-Certified Equipment Shutoff Valve
with 1/8" NPT Tap*
Sediment Trap/Drip Leg
From Gas Meter
(4.5" w.c. to 10.5" w.c. Pressure)
From External Regulator
(11" w.c. to 13" w.c. Pressure)