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103448
INSTALLING
Continued
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 13).
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.
Install sediment trap in supply line as shown in Figure 13. 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.
CAUTION
Avoid damage to gas control. Hold gas control with wrench when connecting it to gas
piping and/or fittings.
Tee Joint
Pipe
Nipple
Cap
3" Minimum
Sediment
Trap
Gas
Control
From
External Regulator
(11" W.C.** to
14" W.C.
Pressure)
A.G.A. Design-Certified
Manual Shutoff Valve With
1/8" NPT Tap*
Approved Flexible Gas
Hose (if allowed by local
codes)
* Purchase the optional A.G.A. design-certified manual shutoff valve from your dealer. See Accessories,
page 30.
** Minimum inlet pressure for purpose of input adjustment.
Figure 13 - Gas Connection
WARNING
Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all
joints. Bubbles forming show a leak. Correct all leaks at once.
WARNING
Test all gas piping and connections for leaks after installing or servicing. Correct all leaks
at once.
CHECKING GAS CONNECTIONS
CAUTION
Make sure external regulator has been installed between propane supply and heater. See
guidelines under
Connecting to Gas Supply
, page 14.
Continued