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INSTALLATION
MAIN PIPING CONNECTIONS
All piping must comply with local codes, ordinances,
and/or national fuel gas codes.
1. Turn off electrical power to the system at the fuse box
or circuit breaker. Also turn off the main gas supply.
2. If replacing an existing valve, disconnect all plumbing
and electrical connections from the old control.
3. The valve may be installed in any position except
upside down. The arrow on the bottom plate indi-
cates the direction of gas flow through the valve.
4. You should use new pipe that is properly chamfered,
reamed, and free of burrs and chips. If you are using
old pipe, be sure it is clean and free of rust, scale,
burrs, chips, and old pipe joint compound.
5. Apply pipe joint compound (pipe dope) or teflon tape
that is approved for all gases, only to the male
threads of the pipe joints. DO NOT apply com-
pound or teflon tape to the first two threads (see fig. 2
for typical piping connections).
6. If you are using a vise or open-end wrench to hold the
valve while installing piping, do not tighten exces-
sively, as this may damage the valve.
7. See SYSTEM WIRING when making electrical con-
nections. After all gas and electrical connections are
completed, turn gas on and check for gas leaks with
leak detection solution or soap suds. Bubbles forming
indicate a leak. SHUT OFF GAS AND FIX ALL
LEAKS IMMEDIATELY.
Horizontal
Drop
Piped Gas
Supply
Gas Valve
3 in.
minimum
Gas Valve
Riser
Piped Gas
Supply
3 in.
minimum
Drop
Horizontal
Riser
Gas Valve
Tubing Gas
Supply
3 in.
minimum
NOTE:
Always Include
A Drip Leg In Piping
Figure 2. Typical gas valve piping
NOTE
PILOT GAS CONNECTION
The valve is shipped with the pilot outlet plugged. For
installations requiring pilot gas, remove the plug and use
the fitting packed separately with the control.
Install fitting into pilot gas outlet (see fig. 3), turning until
finger-tight. Insert clean, deburred tubing all the way
through the fitting. While holding the tubing securely,
slowly tighten fitting until you feel a slight “give”. Tighten
the fitting an additional 1
1
⁄2 turns.
Pilot Gas
Outlet
Gas Outlet
PRESS
TAP
PILOT
Figure 3. Gas valve side view