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GROUND JOINT _ GAS CONTROL
_T_ ( VALvEUNION
(OPTIONAL)
T t I DR_
3" MIN, T I I (SEDIMENT TRAP)
(76.2mm__ U
CAP
FIGURE19. GAS PIPINGWITHFLEXIBLECONNECTOR.
A sediment trap shall be installed as close to the inlet of the
water heater as practical at the time of water heater installation.
The sediment trap shall be either a tee fitting with a capped
nipple in the bottom outlet or other device recognized as an
effective sediment trap. If a tee fitting is used, it shall be installed
in conformance with one of the methods of installation, shown
in Figures 19 and 20.
GROUNO JOII_T
UNION
(OPTIONAL)
BLACK P]PE
GAS
CONTROL
VALVE
(SEDIMENTTRAP)
CAP
FIGURE20. GASPIPINGWITH ALL
BLACK IRON PIPETO GASCONTROL.
17
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