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14
101823
CONNECTING
TO GAS
SUPPLY
NOTICE
A qualified service person must connect heater to gas supply.
Follow all local codes.
Typical Pipe Diameters
VP1600D or VP1600ITA 3/8" or greater
VP2600D or VP2200ITA 1/2" or greater
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 14, page 15).
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.
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 of large enough diameter to allow proper gas volume to heater.
If pipe is too small, undue loss of pressure will occur.
Propane/LP
Supply Tank
Figure 13 - External Regulator With Vent Pointing Down
Vent Pointing
Down
External
Regulator
WARNING ICON G 001
CAUTION
Never connect heater directly to the propane/LP supply. This heater
requires an external regulator (not supplied). Install the external
regulator between the heater and propane/LP supply.
WARNING ICON G 001
CAUTION
Use pipe joint sealant that is resistant to liquid petroleum (LP) gas.
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 could occur. Install external regulator with the vent pointing down as
shown in Figure 13. Pointing the vent down protects it from freezing rain or sleet.
Install sediment trap in supply line as shown in Figure 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 contaminants. This keeps
them from going into heater controls. If sediment trap is not installed or is installed
wrong, heater may not run properly.