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VR9205Q DIRECT IGNITION COMBINATION 2-STAGE GAS CONTROLS
DROP
PIPED
HORIZONTAL
GAS
SUPPLY
GAS
CONTROL
3 IN.
(76 MM)
MINIMUM
2
DROP
HORIZONTAL
TUBING
GAS
1
SUPPLY
RISER
3 IN.
(76 MM)
MINIMUM
2
ALL BENDS IN METALLIC TUBING SHOULD BE SMOOTH.
1
2
CAUTION: SHUT OFF THE MAIN GAS SUPPLY BEFORE REMOVING
END CAP TO PREVENT GAS FROM FILLING THE WORK AREA. TEST
FOR GAS LEAKAGE WHEN INSTALLATION IS COMPLETE.
Fig. 1. Sediment trap installation.
69-2143EF—01
RISER
PIPED
GAS
SUPPLY
3 IN.
(76 MM)
MINIMUM
2
GAS
CONTROL
Fig. 3. Proper use of wrench on gas control.
Table 4. NPT Pipe Thread Length.
GAS
CONTROL
Pipe Size
b
3/8
1/2
a
All dimensions are in inches.
b
OK when bushings are used.
TWO IMPERFECT
THREADS
THREAD PIPE THE AMOUNT
SHOWN IN TABLE 4 FOR
INSERTION INTO GAS CONTROL
Fig. 2. Use moderate amount of pipe compound.
M3077A
4
Thread Pipe
Maximum Depth Pipe can
This Amount
be Inserted into Control
9/16
3/8
3/4
1/2
GAS CONTROL
PIPE
APPLY A MODERATE AMOUNT OF
PIPE COMPOUND TO PIPE ONLY
(LEAVE TWO END THREADS BARE).
M27215
a
M3075B
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