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Gas Pressure Requirements and Checking
Two pressure taps for checking input and output gas pressures are located on the main gas valve. A qualified installer should
use this fitting for setting the correct gas pressure during initial installation.
The appliance and its appliance main gas valve must be
disconnected from the gas supply piping system during any
pressure testing of that system at test pressures in excess of
1/2 psi (3.5 kPa).
The appliance must be isolated from the gas supply piping
system by closing its equipment shut-off valve during any
pressure testing of the gas supply piping system at test
pressures equal to or less than 1/2 psi (3.5 kPa).
Drip Leg Recommended
It is recommended that a drip leg/sediment trap is
installed within the main gas supply line serving this
appliance.
Manual Gas Shutoff Valve Requirement
If local building codes require one, obtain an external keyed wall-mounted or
floor-mounted manual gas shutoff valve approved per local gas plumbing codes
and install per local gas plumbing codes in the specified location. Local
requirements supersede all other codes.
85-03-01116
Figure 3-35 Drip Leg/ Sediment Trap
DXV42 TIMBERFIRE
Figure 3-34 Main Gas Valve
Figure 3-36 Keyed Manual Gas Shutoff
Valve
Page 43
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