REV. 6-25-19 Page 10
Square Flat Disc Fire Pits
INSTALLING BURNER ORIFICE (OAS)
GAS FL
OW
Burner Pan
OAS#
U3-8D-S
Lock Nut
Locate the burner nipple underneath the
burner pan. Ensure the nipple from on
the spur burner has gas rated Teflon tape
wrapped around the threads. Thread the
OAS (orifice air shutter) on to the nipple
of the burning spur clockwise manner.
Secure into position. See Fig. 8.
Fig. 8
Installing OAS assembly to spur burner.
INSTALLING KEY VALVE
The key valve contents: 1- key valve, 1- key
and 1- flange. (See Fig. 9). The valve requires
a 1¼” round clearance hole in the
non-combustible enclosure wall. See the
instructions supplied with the key valve for
more specific details.
Note:
Be sure to leak test
all fitting before operation. Fig. 10 shows an
example of a typical installation.
Primary Gas
Supply
ON
O
FF
Fig. 9
Key valve components.
SECTION
A - MA
TCH THROW (MT) INST
ALLA
TION
