REV. 1-7-19 Page 14
Round Flat Disc
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. 16.
Fig. 16
Installing OAS assembly to spur burner.
Section B
Thermocouple Manual
Safety (TMSI) Installation
Fig. 14
Shows disc secured under stone caps.
Fig.15
Shows disc secured between layer of block.
NOTE:
Additional
methods of supporting the center of the disc underneath or supporting an oversized opening are shown
on page 9 in Figs. 6 & 7.
Flat disc’s are typically used with landscape blocks. The illustrations below show examples of possible installations.
Figs. 14, and 15 show the use of the flex frame system which provides the ability to reasily emove the disc if necessary.