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10
CONNECTING
TO GAS
SUPPLY
CAUTION
Never connect heater directly to the propane supply. This heater
requires an external regulator (not supplied). Install the external
regulator between the heater and propane supply.
!
WARNING ICON G 001
The installer must supply an external regulator. The external regulator will reduce
incoming gas pressure. You must reduce incoming gas pressure to between 11 and
14 inches of water. If you do not reduce incoming gas pressure, heater regulator
damage can occur. Install external regulator with the vent pointing down as shown
in Figure 10. Pointing the vent down protects it from freezing rain or sleet.
NOTICE
A qualified service person must connect heater to gas supply.
Follow all local codes.
Installation must include a manual shutoff valve, 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 11, page 11).
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.
CAUTION
Use pipe joint sealant that is resistant to liquid petroleum (LP) gas.
!
WARNING ICON G 001
Propane
Supply Tank
Figure 10 - External Regulator With Vent Pointing Down
Vent Pointing
Down
External
Regulator
CAUTION
Use only new, black iron or steel pipe. Copper tubing may be used
in certain areas. Check your local codes. Use pipe of
1
/2" 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
Install sediment trap in supply line as shown in Figure 11. 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 contaminants. This keeps
them from going into heater controls. If sediment trap is not installed or is installed
wrong, heater may not run properly.