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103574
CONNECTING
TO GAS
SUPPLY
NOTICE
A qualified service person must connect heater to gas supply.
Follow all local codes.
IMPORTANT
: Check gas line pressure before connecting heater to gas line. Gas line
pressure must be no greater than 14 inches of water. If gas line pressure is higher,
heater regulator damage could occur.
Installation must include a manual shutoff valve, ground joint union, and plugged
1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must
be upstream from heater (see Figure 12, page 14).
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 heater valves.
Install sediment trap (trap) in supply line as shown in Figure 12, page 14. Locate
sediment trap where it is within reach for cleaning. Locate sediment trap where
trapped matter is not likely to freeze. A sediment trap traps moisture and contami-
nants. This keeps them from going into heater controls. If sediment trap is not
installed or is installed wrong, heater may not run properly.
WARNING ICON G 001
CAUTION
Use only new, black iron or steel pipe. Internally-tinned copper
tubing may be used in certain areas. Check your local codes. Use
pipe 3/8" diameter or greater to allow proper gas volume to heater.
If pipe is too small, undue loss of pressure will occur.
WARNING ICON G 001
WARNING
Never connect heater to private (non-utility) gas wells. This gas is
commonly known as wellhead gas.
Continued
WARNING ICON G 001
CAUTION
Use pipe joint sealant that is resistant to liquid petroleum (LP) gas.